Answer:
Joining the armed forces
The US Armed Forces are military forces and consist of the Army, Marine Corps, Navy, Air Force, and Coast Guard. All of them defend the nation against threats to national security.
Answer:
Carnegie introduced the Bessemer process, which decreased the cost of production. ... Carnegie could cut his costs because he owned the supply of raw materials and the means of production and distribution.
Another of the biggest population shifts in American history was the Great Migration. Between the 1910s and the 1970s, around 6 millions Black American fled from the American South to Northern, Midwestern or west.
One of the biggest ethnic groupings in the US is made up of Black people. Although most Black American are of African descent, many also have non-African forebears. Most African Americans are descended from enslaved individuals who were forcibly transported from their native Africa to work in the Age Of exploration. Their legal options were severely constrained, and they had long been denied the chance to participate in the economic, social, and social changes of the US. But Black American have contributed fundamentally and enduringly to American history and culture.
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