The persistence and perseverance of american homesteaders in the late 1800s.

The correct answer is that it brought about the closing of the frontier. That is for edge!

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.