According some authors which discuss this theme there were some factors as:
1) At the middle of 1850 the Chinese were still under British rule and the conditions were very difficult.
2) The devastation of southern Chinese by the taiping rebellion. This destroyed the rural economy and killed more than twenty millions people.
3) The gold was discovered in California in 1848. It produced a big immigrations at the final of century 17th.
Communism gave the russians a bad name
Supreme Court allowed legal segregation - invalidated Civil Rights Act, Plessy vs. Ferguson and separate but equal doctrine
Don't worry chapter 18 is gonna be easier
Answer:
State constitutions perform an important role in the governance of America’s 320 Million citizens and play a critical role in making federalism work. We couldn’t get by without them. Gary Porter is Executive Director of the Constitution Leadership Initiative (CLI), a project to promote a better understanding of the U.S. Constitution by the American people.