PLS HELP ASAP after Muhammad's death, Islam spread throughout the world mostly due to:

a. Christian leaders converting to Islam

b. Muslim empires conquering new territories

c. Sunni and Shiite leaders agreeing to unite

d. Muslim pilgrims teaching their beliefs to others

john smith was the first englishman to sail around the world. francis bacon served as attorney general and lord chancellor of england. he took up aristotelian ideas, arguing for an empirical, inductive approach, known as the scientific method, which is the foundation of modern scientific inquiry.

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the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.