Why did columbus sail from spain rather than italy?

First of all, there is the interest of the Crown of Castile to reach Asia through a different route than the Portuguese. After the fall of Constantinopolis to the Ottoman Empire, the European trade of spices was extremely affected. Whereas the Italian territories fought for agreements or directly fought the Ottomans, the truth is that there was a huge demand for Asian species and silk which could not be fulfilled. The Portuguese started their explorations in the early 15th Century sailing south, circling Africa, until they reached India. The other possible route was just sailing west. Who were the main competitors of the Portuguese in this? Castile. There had been attempts to do this, as you may already know that the Canary Islands are now Spanish territory and their language is Castilian but the only reasonable way left to go was sailing West.

Secondly, despite the marital union of the Catholic Monarchs, the enterprise was fully Castilian, as the Crown of Aragon did not have funds for this. What was the last territory that Castile got from the Moors? Granada. It was natural to continue certain expansion to user that army. This led into certain conquers in the North of Africa but finding a route via Africa would have meant trouble with Portugal (this was later settled by the Treaty of Tordesillas).

Third: There are theories that say that Columbus was, actually, not Genoese. Now you can think whatever you want, and always take theories with a pinch of salt, but it could have been perfectly reasonable that Columbus, who signed Colom his documents would have been a subject of the Crown of Aragon - since Colom is how his name is written in Catalan and Catalan was the most spoken language in those territories. Some people say that he could have been Jewish (at a time where Jewish were to be expelled from the Iberian Peninsula) of Catalan or Majorcan origin, or even Catalan/Majorcan himself. Before you think they’re crazy, just take this theory with a pinch of salt and it’s not that crazy if you take into account that he did not have too much trouble in reaching the Queen of Castile since he could speak the language. Even if he were Italian, quite a chunk of Modern Italy belonged to the Crown of Aragon and as other answers point, he could have just changed his origins to pretend he was better.

Nevertheless, I think that the final reason is that it seems a bit more logical to depart from an Atlantic seaport than a Mediterranean one.

However, there is not much clear. What we surely know about Columbus is that he hid whatever he could about his origins.

president of india

the oath of office for the president of india is as follows:

i, (name), do swear in the name of god (or solemnly affirm) that i will faithfully execute the office of president (or discharge the functions of the president) of india, and will to the best of my ability preserve, protect and defend the constitution and the law, and that i will devote myself to the service and well-being of the people of republic of india.

— article 60, constitution of india

मैं, अमुक ईश्वर की शपथ लेता हूँ (सत्य निष्ठा से प्रतिज्ञाण करता हूँ) कि मैं श्रद्धापूर्वक भारत के राष्ट्रपति के पद का कार्यपालन (अथवा राष्ट्रपति के कृत्यों का निर्वहन) करूँगा तथा अपनी पूरी योग्यता से संविधान और विधि का परिरक्षण, संरक्षण और प्रतिरक्षण करूँगा और मैं भारत की जनता की सेवा और कल्याण में निरत रहूँगा।

— अनुच्‍छेद 60, भारत का संविधान

vice-president of india

the oath of office for the vice-president of india is as follows:

i, (name), do swear in the name of god (or solemnly affirm) that i will bear true faith and allegiance to the constitution of india as by law established, and that i will faithfully discharge the duty upon which i am about to enter.

— article 69, constitution of india

मैं, (अमुक) ईश्वर की शपथ लेता हूं(सत्यनिष्ठा से प्रतिज्ञान करता हूं) कि मैं विधि द्वारा स्थापित भारत के संविधान के प्रति सच्ची श्रद्धा और निष्ठा रखूंगा तथा जिस पद को मैं ग्रहण करने वाला हूं उसके कर्तव्यों का श्रद्धापूर्वक निर्वहन करूँगा।

— अनुच्‍छेद 60, भारत का संविधान

union council of ministers of india

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the oath of office for prime minister and other members of the union council of ministers:

the oath of office is as follows:

i, (name), do swear in the name of god (or, solemnly affirm) that i will bear true faith and allegiance to the constitution of india as by law established, that i will uphold the sovereignty and integrity of india, that i will faithfully and conscientiously discharge my duties as a minister for the union and that i will do right to all manner of people in accordance with the constitution and the law, without fear or favour, affection or ill-will.

— schedule iii, constitution of india

मैं, (अमुक), ईश्वर की शपथ लेता हूँ/सत्यनिष्ठा से प्रतिज्ञान करता हूँ कि मैं विधि द्वारा स्थापित भारत के संविधान के प्रति सच्ची श्रद्धा और निष्ठा रखूँगा, मैं भारत की प्रभुता और अखंडता अक्षुण्ण रखूँगा, मैं संघ के प्रधानमंत्री/मंत्री के रूप में अपने कर्तव्यों का श्रद्धापूर्वक और शुद्ध अंतःकरण से निर्वहन करूँगा तथा मैं भय या पक्षपात, अनुराग या द्वेष के बिना, सभी प्रकार के लोगों के प्रति संविधान और विधि के अनुसार न्याय करूँगा।

— तीसरी अनुसूची, भारत का संविधान

the oath of secrecy is as follows:

i, (name), do swear in the name of god (or, solemnly affirm) that i will not directly or indirectly communicate or reveal to any person or persons any matter which shall be brought under my consideration or shall become known to me as a minister for the union except as may be required for the due discharge of my duties as such minister.

— schedule iii, constitution of india

मैं, (अमुक), ईश्वर की शपथ लेता हूँ/सत्यनिष्ठा से प्रतिज्ञान करता हूँ कि जो विषय संघ के मंत्री के रूप में मेरे विचार के लिए लाया जाएगा अथवा मुझे ज्ञात होगा उसे किसी व्यक्ति या व्यक्तियों को, तब के सिवाय जबकि ऐसे मंत्री के रूप में अपने कर्तव्यों के सम्यक्‌ निर्वहन के लिए ऐसा करना अपेक्षित हो, मैं प्रत्यक्ष अथवा अप्रत्यक्ष रूप से संसूचित या प्रकट नहीं करूँगा।

— तीसरी अनुसूची, भारत का संविधान

chief justice of the supreme court or high court

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the oath of office for chief justice of supreme court or high court is as follows:

i, (name), having been appointed chief justice (or a judge) of the supreme court of india, do swear in the name of god (or affirm) that i will bear true faith and allegiance to the constitution of india as by law established, that i will uphold the sovereignty and integrity of india, that i will duly and faithfully and to the best of my ability, knowledge and judgment perform the duties of my office without fear or favour, affection or ill-will and that i will uphold the constitution and the laws.

— schedule iii, constitution of india

मैं, (अमुक), जो भारत के उच्चतम न्यायालय का मुख्य न्यायमूर्ति (या न्यायाधीश) (या भारत का नियंत्रक-महालेखापरीक्षक) नियुक्त हुआ हूँ, ईश्वर की शपथ लेता हूँ/सत्यनिष्ठा से प्रतिज्ञान करता हूँ कि मैं विधि द्वारा स्थापित भारत के संविधान के प्रति सच्ची श्रद्धा और निष्ठा रखूँगा, मैं भारत की प्रभुता और अखंडता अक्षुण्ण रखूँगा तथा मैं सम्यक्‌ प्रकार से और श्रद्धापूर्वक तथा अपनी पूरी योग्यता, ज्ञान और विवेक से अपने पद के कर्तव्यों का भय या पक्षपात, अनुराग या द्वेष के बिना पालन करूँगा तथा मैं संविधान और विधियों की मर्यादा बनाए रखूँगा।

george calvert wanted maryland to be a colony where could live safely. because georgia's founders wanted a colony of small farms rather than large plantations, they originally banned under british law in the 1700s, people who owed money could be