What is the middle passage?

its the sea trade route English traders used to trade weapons, goods or supplies, and slaves to the colonies.

Explanation:

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

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.