Obama is 54, born on August 4th in 1961.
As far as I can tell, both B. (declaring that the U.S. State Department had been infiltrated by communists) and C. (holding hearings about communist ties to the entertainment industry) are correct.
An example of Social Darwinism would be "Survival of the Fittest". Those who are the strongest will survive.
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Answer:
The economies of most European nations were in very poor shape.
Explanation:
After World War II, Europe was devastated by the long period of conflict. The war lasted six years, enough to drive many countries into chaos, harming the economies of the countries involved. Cities, factories, ports, roads and railroads had been bombed and many farms were destroyed. After the war ended, Europe needed to rebuild itself both socially and economically.
In this context of economic reconstruction, the Marshall Plan was launched in 1947, an ambitious project of US loans and financial donations to the European allies devastated by the Second World War. The Marshall Plan was a success and the countries of Europe quickly recovered.
I hope this helped. I am sorry if you get this wrong.