B. <span>a shield of missiles over the U.S. designed to shoot down incoming nuclear missiles from the USSR</span>
White landowners who could make those African Americans work for them
During the civil war the new warships were known as the Ironclads.
Nicolás Maduro is the correct answer
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:
