Explanation:
Part of a global slave trade that transported 10-20 million enslaved Africans to the American from the 16th to the 19th century. It was the second of three stages of the so called triangle trade .
In Ancient Rome, the father was the head of household, or master of the house. He had the most authority.
Let's start off with what a brief explanation of what social stratification is; Social stratification is a persons ranking in society. Whether it be financial wise (the most common), the age group, education, and even family power. An early form of this could be the Roman Empire's hierarchical structure; they had the lowest class which would be the slaves and then would work their way up to the highest class which would be the Emperor.
I hope this helped.
C. is the answer, because the agricultural revolution had to do with crops.