What is the fine-grained topic of the following text: On Tuesday, U.S. Sen. Jeff Sessions (R) submitted testimony to the International Trade Commission (ITC) supporting U.S. and Alabama shrimp industries effort to have tariffs placed on most imported shrimp because of alleged subsidies that foreign governments give to their shrimpers. Only return the topic.
U.S. Senator Jeff Sessions' support for tariffs on imported shrimp due to alleged foreign subsidies