Well... the Cumberland Gap was the only easy way for settlers to travel. It was very hard for colonists to go through mountains. The Indian Americans were the ones who discovered it.
According to the book <em>"I fought with Custer"</em> Charles Windolph was saved due to the Skirmish line military formation developed by his commander in the Battle of Little Bighorn.
<h3>What was the Battle of Little Bighorn?</h3>
The Battle of the Little Bighorn was a conflict involving the Native Indians and the 7th calvary troops fought along the ridges, steep bluffs, and ravines of the Little Bighorn River, in south-central Montana on June 25-26, 1876.
The native Indians involved were the warriors of the Lakota Sioux, Northern Cheyenne, and Arapaho tribes.
The survivor of the Battle of Little Bighorn, Charles Windolph received Medal of Honor for his bravery in protecting his comrades who went for water for the injured in the battle.
Learn more about the Battle of Little Bighorn at brainly.com/question/9288840
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The primary reason for rapid growth of labor unions in the late 1800s was the Industrial Revolution, since this led to massive amounts of factory labor that was often dangerous for the workers involved, who had practically no rights under federal law.
Answer:
they closed the U.S. airspace for the first time in history.
