"palmer raids" and deportation of suspected foreign radicals were most closely associated with the?

The Red Scare

Explanation:

The "Red Scare" was a period of time in American history when the country was suffering from hysteria over a perceived threat posed by Communism, particularly in relation to the Soviet Union. This took place during the period between the late 1940s and the early 1950s. This paranoia led to many extreme acts against communist sympathizers (or those perceived to be so), both on the part of the government and that of private citizens.

then its a law the end