All of the following are true statements about africa during the middle ages except which one
a. islam had been introduced to ghana by the 10th century
b. the portuguese first sailed to west africa in the 14th century
c. there were no great empires in africa prior to european contact
d. the slave trade emerged as the dominant form of commerce around the gulf of guinea in the 15th and the 16th centuries

Its actually C: there were no great empires in Africa prior to European contact.

there were three types of british colonies: royal, proprietary, and self-governing. each type had its own characteristics. proprietary colonies, such as pennsylvania, maryland, and delaware, were basically land grants from the british government.

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i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

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