Answer:
Job opportunities and freedom.
Explanation:
It depends on which war you're referring to. I feel that the answer you're looking for is the radio, though.
<h3>HE WAS THE FIRST REPUBLICAN PRESIDENTIAL NOMINEE EVER ELECTED</h3><h3>HE LED THE U.S. THROUGH THE CIVIL WAR, EMBRACING ANTI-SLAVERY AND RESULTING IN A STRONG FEDERAL GOVERNMENT</h3><h3>HE ROOT OUT RAMPANT INFLATION.</h3>
<span>B.They introduced the idea that each nation had its own unique abilities.</span>