Many machines formed in cities to serve immigrants to the U.S. in the late 19th century who viewed machines as a vehicle for political enfranchisement. Machine workers helped win elections by turning out large numbers of voters on election day.
The power to make rules for bankruptcies, the power to punish counterfeiters, the power to set up a national post office, etc.
Well they believed that it was okay to force people to move. Whites thought that they ruled the world and they made others suffer because of it.