Answer:
While you cannot exactly know what would have happened if the United States had not entered the war, one can make guesses. U.S. loans to the Allies were vital to the war as early as 1915. US. entry into the war in 1917 was important in maintaining the morale of the Allies especially France. U.S. forces were quite vital in the Allied offensives in the summer and fall of 1917.
The correct answer is letter A. President Kennedy succeeded in passing lower taxes for his constituents. This is probably one of the most controversial moves he had made during his presidency where business tax and general income taxes were decreased. This is probably one of the angles that were looked at which were contributing factors to his assassination.
It prevents the government from preventing further rights to citizens. It basically give citizens the right to more rights. This allow for the government to grow and add rights to its citizens as time goes on.
That would be the Oregon Trail!!