Answer:
D. They were assumed by the writers of the Constitution to be
necessary for the government to function.
Explanation:
The answer is C. its was used to remove seed 10x more efficently than a slave could
During 1200-1450, Mali, a big empire in west Africa flourished. Timbuktu, a city in this empire had a huge library with tens of thousands of books. This library provided their empire a lot of wealth. During 1400-1750, during the Atlantic slave trade, millions of African people, mostly men and some women, were transported to South America via the Atlantic Ocean. The rulers of West Africa negotiated with European rulers to send off their Africans. In exchange, the Europeans gave them silver which boosted the wealth in their economy.
Answer
2 development of algebra
Expalnation
Islamic scientists in the 10th century were involved in three major mathematical projects: the completion of arithmetic algorithms, the development of algebra, and the extension of geometry.