Answer:
The strict class system that left most people in poverty.
I believe that’s it is D.
You need more information to support this; there are many things intertwined with the pure food and drug act
This policy was called "containment" - the idea was to contain communism from spreading to new countries without trying to actively challenge the communist system in the countries that already had it.
This policy lead to some proxy wars, in which the US fought the Soviet Union for the free countries.
