Answer:
The emperor was given the power to veto the pope's appointment of bishops. Henry V was recognized by the church as the lawful emperor. The emperor recognized the church's authority to appoint bishops.
They get campaign contributions, endorsements, testify at congressional hearings, help write legislation/laws, litigation, amicus curiae etc.
An interest group is an organization made up of people who share at least one common interest and who work towards its goal
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A lot of the time it can lead to war by agriculture trading
