Government corruption can take place at three levels.
at the international level, this involves the acts of government using tax payers money to advance selfish interests of those in powers. It also includes participating in scams,piracy and infringements of copyrights rights, and also funding and receiving money from internationally proscribed groups such as drug lords and terrorists.
at the departmental level, it touches on tendering processes as well as in the justice systems,and the police.
at the citizen level, it involves, fostering a culture of impunity and bribery between it and the citizens.
Antifederalists opposed Alexander Hamilton's plan because they felt that it threatened their individual freedoms.
The last one and I'm pretty sure the second one