6. In the course of the US Civil War, how did tactics change?
O Massed groups of soldiers charged the enemy.
More of the responsibility was borne by the cavalry.
O Defensive trench warfare became more common.

Respuesta :

Answer:

On the Operational Strategic level (known at the time as Grand Tactics). The armies began to rely more and more on fortifying a position when they stopped movement. By the end of the war, soldiers, on their own initiative, began building primitive firing positions on their own.

Explanation:

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