We can start dismantling the US empire by giving Guantanamo Bay back to Cuba, followed by a termination of all foreign aid, a closure of all foreign military bases, and an end to regime-change operations around the world.
Throughout American history, politicians have incessantly awarded preferential policies (e.g., “corporate welfare”) to special interests that has allowed them to create monopolies dominating virtually every major market.
Even without the Bill of Rights, the federal government has no legitimate authority to control what people read or what people own, including books and guns.