<span>It was definitely the gold rush. Everyone was going to California to get gold, whether they did or not. I hoped I helped :]</span>
The open door policy was received with almost universal approval in the united states and for more than 40 years it was a cornerstone of america foreign policy in east Asia.
Haymarket, Homestead, and Pullman were all violent labor strikes.
The Homestead Strike occurred in 1892 in Homestead PA and was a violent battle between laborers and hired Pinkertons after a lockout.
The Haymarket Affair occurred in Chicago in 1896 and involved a violent labor protest and a bombing.
The Pullman Strike occurred in 1894 and was a nationwide violent railroad strike.