Answer:
The service of African-Americans in the military had dramatic implications for African-Americans. Black soldiers faced systemic racial discrimination in the army and endured virulent hostility upon returning to their homes at the end of the war.
Answer: Economic reasons.
Explanation:
It was not until 1917 that the United States entered the war. During the war, the United States provided loans to the Entente forces for military, medical, and food supplies. These loans were primarily the burden of the French and the United Kingdom. In this way, the US has profited from these loans.
The problem was that the Entente could lose the war. In these circumstances, the indebted countries would not be able to repay the loan to America. Because of this fact, the United States decides to engage in war to help the anthem win and to secure its economic benefit by borrowing.
He was beheaded.
Charles I had a lot of fights with the Parliament about how he should rule the country, which is why he dissolved the government and started ruling on his own. This obviously meant treason, which is why he was beheaded for his actions.