Which country was the last to join the Allied Powers?
O Great Britain
O France
United States
O China

It should be China because they were the last to officially declare alliance with the Allied powers.

do you want to each other with answers? ?

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.