I'm pretty sure its A. America started the other ones you listed.
The Songhai Empire was located in Western Africa south of the Sahara Desert and along the Niger River. At its peak, it stretched well over 1,000 miles from the current modern day country of Niger to the Atlantic Ocean. The capital city of the Songhai was the city of Gao which was located in modern-day Mali on the banks of the Niger River.
Answer:
D. Dr. Benson’s study in which she measured people’s spatial manipulation ability in August and measured their ability again in May after they had taken two semesters of art classes.
Explanation:
Hello! Longitudinal studies are a research method that consists in measuring a phenomenon over a certain time interval. In this sense, they serve to analyze and observe in a sequential way the evolution of a phenomenon. The main objective is to obtain information about the process of change.
Thanks for your question!
Answer:
endogamy
Explanation:
Endogamy -
It is the method by which the people get married within the similar social groups based on caste is known as endogamy .
This type of practice is very commonly seen in many cultures and religious groups , where people tends to get married within their community , religion and caste .
Since , Sarna married Nathan who is from a different religion , and hence , she has violated the rule of endogamy .
