The use of iron for tools and weapons developed later than the use of copper because iron

the answer is a. 250 percent.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

b) the confederacy had to pay all union war expenses.

i dont have that book