in what respects did the various civilizations of the pre-1200 world differ from one another? what common features did they share?

The various civilizations of the pre-1200 world differ from one another and common features they shared given below.  

Explanation:          

Cross-culture interactions make a change in the pre-1200 world. The cross-culture communication in the New World conducted between the different tribes through establishing trade which led to the exchanging of goods and culture from one another. There were also close relations within small city-states of various regions. For example, Olmec civilization traded with Mokaya, which led Olmec access to stones, feathers, cacao, salt, crocodile skins, and jaguar pelts.  The people living in pre-1200 were not similar in many ways as they worshiped different gods and survived what they could find in their locality. They were part of the ancient civilizations, depended on the cultivation and hunting animals for food.

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

the correct answer is b