Which statement best defines the term corroboration? o a. determining whether a source has any biases o b. removing a source from its historical context o c. citing sources properly when conducting research o d. using multiple sources to confirm a conclusion submit

idk

explanation:

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.