Many southern states broke away from the Union to form their own country called the?

Confederate States of America

Explanation:

In February of 1861 many of the states in the southern part of the United States decided to form their own country. They called it the Confederate States of America.

d) post-world war i

lend lease program was passed by congress on march 11, 1941. the president could ship weapons, food, or stuff to any country whose struggle against the axis assisted u.s. defense