Answer:
This might help I found it interesting and I hope you find the answer your looking for
Explanation:
https://digitalrepository.unm.edu/cgi/viewcontent.cgi?article=1440&context=nrj
<span>the best option is B
the development of more efficient agriculture
The emergence of efficient forms of agriculture especially in Mesopotamia, led to emergence of early city states as food was produced in surplus to feed the town population. it also led to division of labor. this form of agriculture also contributed to sedentary lifestyle and improved nutrition thus explosive population that contributed to city establishments.
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There are three major reasons why people immigrate to other countries: work, love and war. In the late 1800s, immigrants in the United States tried to assimilate with the current populations by learning to speak English and adopting current American cultures and traditions. This is known as the process of Americanization. The idea is that immigrants end up sharing the "American" values, customs and beliefs. The idea behind Americanization is that people who share common values and ideals will contribute to a common cause or goal. This is also known as patriotism.
The large presence of African slaves.
