Why would the spread of communism cause concern for the United States?

The United States felt threatened by the spread of communism because free enterprise and the capitalist system was the basis for American economy and, therefore, the American way of life.

the right answer is d

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.