How did the use of rifles and minie balls change war tactics in the Civil War?

Rifles that used minie balls contributed to the high casualty rate in the Civil War.

Rifles with minie balls could shoot farther and more accurately and could be reloaded faster than old-fashioned muskets.

As a result, mounted charges and infantry assaults did not work as well. Defenders using rifles could shoot more of the attackers before they got close.

As a result, mounted charges and infantry assaults did not work as well. Defenders using