How might early maritime travel and trade have been shaped by atmospheric circulation?

Maritime navigation and trade have been shaped by the flow of atmosphere circulation.

Explanation:

In ancient times saling was instrumental for civilizations, around 1000 BC china, south Asia and the middle east introduced sailing techniques they inventing trading techniques. The introduction of banana, sugarcanes to various islands was only possible through ships and various vessels. Viking's the used the longships made of iron and multiple planks that endured the heavy seas for transportation and as the period of the age of discovery during the 17th century European traveled the world for the search of food, and  lands to conquer  For this they need to have maps of the temporary maps of the landmasses, and which was not possible without the discovery of the oceanic routes and various realms were discovered by the direction of the winds as these travellers used to navigate under the naked skies at night the direction of stars and sun also helped them drift path. Some based their observations there on the basis of astronomical data collected from the triangulation surveys.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

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