Answer:
The Mexican army attacked them. The main cause of the war was the westward expansion of the United States. All through the 19th century Americans believed it was their right to expand westward. At the time they believed they could conquer the people already living on the land and take it for the United States.
Explanation:
"non-military air traffic was temporarily grounded" "the Department of Homeland Security was created" and "<span>United States began the War on Terrorism" are all correct. We were allies with Saudi Arabia. </span>
<span>The answer is D.
Though blacks were treated equally in the North, the South continued to
be segregated. Despite the abolition of
slavery, blacks were afforded the same opportunities as whites . Many of them were also harassed by mobs of
white raiders in order to keep them from voting as well assert their
superiority over blacks. Blacks couldn’t
sit at the same table as whites nor could they dine at the same restaurants as
whites. It took another hundred years
for blacks to finally be accepted in the South.</span>
It gave the Allies the advantage to win the war