Answer:
Technological advances in the arms and artillery in the era of the Civil War resulted in high numbers of casualties on both sides. That´s why many battles of the war were military stalemates but supposed horrendous carnage.
Explanation:
The Republican Party emerged in 1854 to combat the Kansas–Nebraska Act and the expansion of slavery into American territories. ... The party opposed the expansion of slavery before 1861 and led the fight to destroy the Confederate States of America (1861–1865).
The House of Representatives
