The answer is B because the allies had the US which created the War Industries Board (WIB) which overseed production of military supplies.
C, because that was basically one of the reasons for the Civil War as well. The Northern and Southern states were always fighting about whether slavery should expand west or not.
Answer: The entry of the United States was the turning point of the war, because it made the eventual defeat of Germany possible. It had been foreseen in 1916 that if the United States went to war, the Allies' military effort against Germany would be upheld by U.S. supplies and by enormous extensions of credit.
Explanation:
Because they thought the articles would give the government too much power. I hope this helps.
Spartans had a Diarchy, Monarchy, and a Republic.