Which amendment did the Hollywood 10 cite in their refusal to answer the whether they were or were not communists?

The fifth amendment which gives you the right against self-incrimination

false, the two are unrelated

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.