The correct answer should be A. A historian writes an extensive text on the important contributions of southeast Asian countries
Asian countries' history is often based on periods that are bound by the rule of various dynasties or by political engagements of the country.
It led to a surplus
Division of labor resulted from an improvement in farming techniques. As a result of this improvement people started to produce a surplus as they improved their productivity due to specialization. Also, people were left with extra time to perform other activities
The answer would be b I believe
Hm... Tough question!
What I would do is make a map of all the battles, learn about a few, and state what you've learned in front of the class!
Hope this helps! ;)