What was truman’s “policy of blocking communist expansion” known as?

Heres the answer

Step by step explanation

c

the articles of confederation placed most of the power on the feds

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".