Answer:
2) Refusing to join the League of Nations
Explanation:
The best action that demonstrated the United States' effort to isolate itself from European conflicts after World War I is "Refusing to join the League of Nations."
This is evident in the fact that the United States Congress failed to pass the bill to join the League of Nations. This is based on the idea or some Isolationists' fear that it might make the United States drawn into International issues unnecessarily.
George F. Kennan was the American diplomat who stressed the need to contain communism within its borders.
Answer:
The answer is "Option D".
Explanation:
The numbering of the choices are missing, which can be define in the attached file:
It implies, that the warriors and workers were equally relevant to the worker and fighting force, which might relate to the soldier or worker are mentioned underneath the paragraph. Each of them would have been shown in fair roles and waving their hands, that's why the choice d is correct.