What was a reason why the United States entered World War I on the side of the Allies? O Germany returned to unrestricted submarine warfare,
O Russia entered the war on the side of Germany
O London had been attacked by the Germans,
O Germany developed atomic weapons.

The u.s. government has three branches: executive, judicial, and legislative. each branch plays a different role in making sure laws are passed, enforced, and applied fairly in accordance with the united states constitution. which idea does this scenario best represent?