The earliest Chinese people did not have to worry about invasions from foreign countries because of their strong army and geography. The Chinese army present in ancient times were very strong and able to defend their lands. Chinese also build china wall in order to protect their lands from the invasion of other people. The geography of china also made difficult for the invaders to capture china.
Slavery was still an issue, so Congress had to pass the Missouri Compromise. There were equal amounts of slave and free states before Missouri requested statehood, so there was much debate on whether Missouri should represent a free or a slave state in Congress, meaning whichever group it represented would get more representation in Congress. So, Maine was admitted as a free state at the same time Missouri was admitted as a slave state, creating the Missouri Compromise.
Essentially it said that affirmative action does not violate the Constitution and that racial quotas are necessary to prevent discrimination.
