Its the Gold Rush which occured in 1848.
This philosophy inspired the faith in the Truman Doctrine that pledged the US to support anti-communist regimes to protect them from falling to the communists. From this perspective, the interventionist foreign policy of the US in preventing the spread of communism was crucial to US victory in the Cold War
<span>Conservative criticism of the equal rights amendment was largely based around the idea that this movement went against the "economic and social Darwinism" of the time--meaning that it was only natural for some people to have fewer rights than others. </span>
Check out this website it might help
https://www.armstrong.edu/history-journal/history-journal-colonial-controversy-examining-the-british...