How many total casualties did the union have?

There were an estimated 1.5 million casualties reported during the Civil War. A "casualty" is a military person lost through death, wounds, injury, sickness, internment, capture, or through being missing in action.

Explanation:

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it further strained relations between the north and the south and convinced

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.