Based on what you learned in Lesson 17 and your own Civil War technology research, which weapon or invention was the most effective both during the war and in the long term? (Your answer should be 7 to 10 sentences long.)

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.

d is the best answer for this question.