They establish an empire by making colonies to increase wealth and power
After the civil war, much of the ownership for land was unattainable for free slaves due to the government opposing the idea. Instead most African slaves had to become sharecroppers on plantations where they had previously been slaves.
The industrialization of Washington's economy brought with it more than a few social consequences. The dramatic rise in population and wealth, as well as the greater connection with ideas from the rest of the United States, diversified Washington's culture beyond farmers and laborers.
Legislators make laws, so you could do something about that.