Answer:
Tenth Amendment. The Tenth Amendment helps to define the concept of federalism, the relationship between Federal and state governments.
Explanation:
The reason we joined in world war one was due to the germans sinking merchant ships that had US citizens on them and they were also sinking some of our own ships. Due to that President Wilson involved us in the war.
Answer: Germany's Checks and balance system got taken down by Hitler. Hitler started to pass on laws about the Jews and sent troops to search and put them in concentration camps
Explanation: I hope this helps <3
The answer is creation of written languages