America's<span> involvement in </span>World War II<span> had a significant </span>impact<span> on the </span>economy<span> and workforce of the United States. ... Our involvement in the </span>war<span> soon changed that rate. </span>American<span> factories were retooled to produce goods to support the </span>war<span> effort and almost overnight the unemployment rate dropped to around 10%.</span>
Electricity=Thomas A. Edison
Telephone=Alexander Graham Bell
Telegraph= Samuel F. Morse
Oil=Edwin L. Drake
Steel= Bessemer process
Hopefully this was helpful!
They barely survived by eating snakes and rats.
D) there are only two weeks each year when the weather is calm enough for climbing to be safe