I can confirm the answer is A. federalism
I say like a blue whale or something like that.
The US succeeded in containing Communism largely through its proactive efforts to build solidarity with foreign nations. This can be seen through the execution of the Marshall Plan, which delivered aid to European countries in order to rebuild their economies and prevent the spread of Communism, and the establishment of NATO, which joined the US and the democratic countries of Europe in a military alliance.
The third
and i think (not to sure) the first
To not stay in the heat too long and drink a lot of water
