B. It helped the economy.
In fact, it was not until the end of the World War I that the US began to be considered as a world super economic power. The reason after that is that by staying neutral the US supplyed and selled weapons and war equipment to both parties of the conflict, getting profit out of it.
Answer:
Imperial nations, such as United Kingdom and France, benefited the most during the 19th century because they exploited their colonies for resources.
The Iron Curtain<span> was the name for the boundary dividing Europe into two separate areas from the end of World War II in 1945 until the end of the Cold War in 1991. The term symbolizes the efforts by the Soviet Union to block itself and its satellite states from open contact with the West and its allied states.</span>
A. 2 i think sorry if im wrong