Answer:
the first one is the most correct
I believe it summarizes the main ideas of this essay
Answer:Cities were at the center of all early civilizations. People from surrounding areas came to cities to live, work, and trade. This meant that large populations of individuals who did not know each other lived and interacted with one another.
Explanation:
Answer:
The slave trade had devastating effects in Africa. Economic incentives for warlords and tribes to engage in the slave trade promoted an atmosphere of lawlessness and violence. Depopulation and a continuing fear of captivity made economic and agricultural development almost impossible throughout much of western Africa.
Answer:
Empirical
Explanation:
Empirical research is a method in research based on observation and measurement of the variables involved in the phenomena and derives knowledge not from theory or belief but from actual experience. As the word empirical itself signifies it is the research based on the experience or experiment of the shreds of evidence used in the research.