I'm assuming because this is under the history thread, it's dealing with the U.S. Senate. There are two main political parties in the U.S. which are Democratic and Republican- but there is also an Independent party, just not as big. Representatives are people who represent a certain party in, I believe, the Senate. So when it says "proportional", it's most likely referring to the fact there is an equal amount of representatives who are under the two big parties- the Democratic or Republican.
The answer is A
(B)No one produced glass
C) that happened more west
D) no one produced silk
The correct answer is Many of the troops who supported North Korea were Chinese, while many of the troops who fought for South Korea were American
The Korean War was a conflict that took place on the Korean Peninsula (1950 and 1953) between the different governments that had been formed in North Korea and South Korea. This conflict was one of the deadliest in the entire twentieth century, causing a total of 2.5 million victims. It also contributed to aggravate the division between the two Korea.