Answer:
D. Iron Curtain
Explanation:
After the end of the second world war, the iron curtain was a political boundary that separated Europe into two different areas. The iron curtain had two sides, the East side and the West side. the Soviet union influenced those on the East side, while the West side had NATO member countries as well as some countries that were neutral.
The iron curtain was a political, military and ideological barrier which the East of Europe used to separate itself from having open contact with the West. It was Sir Churchill Winston who made the Iron Curtain speech given the behaviors of those in the Eastern part of the continent.
Committees are necessary in Congress because committee members play key roles in floor debates about the bills that they foster.
Committees help to organize the most important work of Congress considering, shaping, and passing laws to govern the nation.
"The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people." The federal government is another name for the national government (Congress, the President, and the Supreme Court) of the United States.
Answer:
It would be Einstein Relativity theory and Freud's idea of subconscious thought.
Explanation:
Before Freud introduced his theory, almost all experts in the field of psychology believe that our mind is only controlled by conscious force. The introduction of Freud's theory change experts analyze psychological problems. Einstein introduced the relativity theory that improve humans' understanding on how black holes interact with the universe