How did European exploration and expansion cause the African slave trade to expand? A. European explorers discovered the slave trade and expanded it across the Indian Ocean into South Asia. B. Arab armies captured European explorers and forced them into slavery. C. European traders shipped enslaved Africans to work on plantations in European colonies in the Americas. D. European explorers captured African people and forced them to work on their ships.

Option C, European traders shipped enslaved Africans to work on plantations in European colonies in the Americas, is the right answer.

Explanation:

The exploration of Portuguese of the west, that was initiated to discover a sea trade route led to the beginning of the slave trade. By the year 1444, Portuguese brought the enslaved Africans to work on their sugar plantation. From there on, the slave trade expanded across the Atlantic, the main reason was the increase in the demand for labor as the  Europeans began the cultivation of labor-intensive crops such as sugar, tobacco and later on rice and cotton.

the california missions began in the late 18th century as an effort to convert native americans to catholicism and expand european territory. there were 21 missions in all, lasting from 1769 until about 1833.   the missions were built by the spanish starting in 1769 in order to “colonize” the territory of alta california. so the missions were important because they were the means of settling california. it also wanted to keep other european countries out of alta california. building settlements along the coast would them meet these goals. missionaries wanted to convert the indians to the roman catholic faith. california indians did much of the work to build missions.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.