Mass production of steel, large suspension bridges, steel frame construction in buildings. It allowed impurities to be removed cheaply and easily, enabling steel to be produced in mass quantities.
<span>The berlin crisis precipitated the building of the berlin wall by the soviet union.
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True
The Continental Congress commissioned George Washington as Commander in Chief of the Continental Army on June 19, 1775. Washington was selected over other candidates such as John Hancock based on his previous military experience and the hope that a leader from Virginia could help unite the colonies.
I do t know what the sea arch is but I'm assuming the teacher wants you to say that after a few thousand more years it will start to erode and break spsrt
