They brought back golds and silvers
Answer:The telegraph was invented by Samuel Morse in 1844, and telegraph wires soon sprang up all along the East Coast. During the war, 15,000 miles of telegraph cable was laid purely for military purposes. Mobile telegraph wagons reported and received communications from just behind the frontline. President Lincoln would regularly visit the Telegraph Office to get the latest news. The telegraph also enabled news sources to report on the war in a timely fashion, leading to an entirely new headache for the government: how to handle the media.
Airplanes and chemical warfare were technological advances during world war 1.
At this time period, people were looking for jobs in factories so they flocked to the cities where factories were becoming popular.
Answer:
A
Explanation:
If they cut taxes more people will have more money, thus meaning no need to make more.