During the Industrial Revolution, steel was made in machines called Blast Furnaces.
It wasn't until around 1856, when Henry Bessemer create a process called the Bessemer Process, that made steel cheap and quick to make.
In the Bessemer Process, molten iron is converted to steel by blowing air through it after it was removed from the furnace. The air blast burned the carbon and silicon out of the iron, releasing heat and causing the temperature of the molten metal to rise.
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America has always been a wonderfully diverse place, a country where billions of stories spanning centuries and continents converge under the rubric of a Constitution that unites them in an ongoing narrative of national self-creation.
IamSugarBee
The New England colonies were created by individuals who wanted freedom of religion (as well as others) and therefore they had entire families moving there, Whereas the middle colonies were corporations and mainly were there for profit so young men were the people going over there.
Lincoln issued the Emancipation proclamation which freed all the slave. "Emancipation Proclamation, which stated that slaves in those states or parts of states still in rebellion as of January 1, 1863, would be declared free." He also recruited African Americans for the union force and they also establish African American units. "Proclamation announced the acceptance of black men into the Union Army and Navy, enabling the liberated to become liberators." It made Lincoln political party stronger. "It added moral force to the Union cause and strengthened the Union both militarily and politically"
The us advanced with the aid of France