Answer:
The right answer is:
4. to be ready to serve in a standing army
Explanation:
Vassals were men who agreed to fight for a king or a lord (a rich land owner) in an army when needed, in exchange for land to live on.
Answer:
D
Explanation:
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.
Answer:Nullification crisis, in U.S. history, confrontation between the state of South Carolina ... The doctrine of nullification had been advocated by Thomas Jefferson and James ... John C. Calhoun furthered the nullification doctrine in his South Carolina ... of the legislature) to take an oath of support for the ordinance, and threatened contrast
Explanation:
The answer would be over production