I don't know limited and unlimited countries, but this is something that you often say of government: a limited government must obey some kind of rule, while an unlimited government is an absolute government and is free to do everything (including kill its subjects)
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Answer:
II. Ensuring that the corporation's political action committee (PAC) makes donations to the campaigns of members of key committees
III.Meeting informally with Senate aides over lunch or cocktails
IV.Bringing influential constituents to Washington to discuss important policy matters with their representatives