The correct answer is A.
The know nothing party of the late 19th century was a political faction that consisted of nativists. Nativists are individuals who think that the wants and needs of native citizens should take priority over those of immigrants. This anti-immigrant stance is rooted in fear that immigrants would take jobs or try to change American culture. This group used violence to scare immigrants. When confronted about their actions, they would say they “know nothing .”
B. the government does not interfere in business practices.
Answer:
Repeating weapons, grenade and landmine.
Explanation:
Repeating weapons and new weapons such as the early grenade and landmine etc are the weapons that are the most effective in both during the war and in the long term because these weapons are quick and causes more damage to the enemies. These new inventions also contribute in the later period for defending the lands from enemies. Due to these weapons, more damage occur to the enemies. that army which has old weapons experience more damage and loss of people in the war. The army which have modern and new weapons won the war and the other army lost this war due to lack of modern technology. So new weapons has a great impact on the civil war.