1. It spread through trade with other countries. As merchants came into Africa, they not only traded goods, but also cultures. They taught the Africans about the Muslim teachings and many Africans ended up adopting it.
2. It spread through migration. As Africans migrated from one side of the continent to another, they brought with them their religion and shared it with the people who were living in the places they migrated to.
Explanation:
The economy of ancient Greece was defined largely by the region's dependence on imported goods. As a result of the poor quality of Greece's soil, agricultural trade was of particular importance. The impact of limited crop production was somewhat offset by Greece's paramount location, as its position in the Mediterranean gave its provinces control over some of Egypt's most crucial seaports and trade routes. Beginning in the 6th century BC, trade craftsmanship and commerce, principally maritime, became pivotal aspects of Greek economic output
I believe the answer may be D. In taking action, one must not worry about success or failure.
One of Josephine Baker’s most famous professional tasks was tracking down Mary Mallon (“Typhoid Mary”) in 1907. The way Ms. Mallon’s case was handled raises some interesting questions even today about conflicts between personal rights and public health: George Soper at the Department of Health Laboratories had investigated seven family epidemics of typhoid going back to 1900. He found that they were all linked to the cook [Mary Mallon] in each family.
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2 years and don’t click the link above my answer