The time frame is slightly important. Though for the most part that is false. The Chinese leaders did not see the need to interact with outside societies as they had little reason to trade.
b. False
There was no outcry because almost all of them were dead.
Bshzhsgshhshsgshshshhmabrbd
Palmer raids was centered around the fear of and reaction against Communists in the US, in the years following WWI. There were race riots and bombings.