World War 1 was the basics of the conflict that the world had in general. <span />
The Compromise of 1850 contained the following provisions: (1) California was admitted to the Union as a free state; (2) the remainder of the Mexican cession was divided into the two territories of New Mexico and Utah and organized without mention of slavery; (3) the claim of Texas to a portion of New Mexico was ...
It was important because it was something like a first document on running a colony. Basically, if people wanted to sign it then they would and they would have to obey it. They would work hard and do their best to improve the colony and those not supporting the growth of the colony would be punished.
I would say that it's B because it appears that the shape of Han China is based off of trade routes.