Answer: Option A
Explanation:
"What is the main concept of federalism?
Federalism: The division of power between the national and state governments. On the board, make another chart with 3 categories: Powers of the national government, Powers shared by national and state governments, and Powers of state governments."
Probably the ocean, seems interesting.
Answer:The precursors to World War I led to an increase in immigration from some regions of Europe.
Explanation:
World War I was called the Great War. People thought that it would be the war to end all wars.
Hope that helps
<u><em>The Cold War</em></u> is your answer
Hope this helps:D
Have a great rest of a brainly day!