What common ideas did the progressive presidents come up with

The main objectives of the Progressive movement were addressing problems caused by industrialization, urbanization, immigration, and political corruption. The movement primarily targeted political machines and their bosses.

Although the purchases was thought of by some as unjust and unconstitutional, Jefferson determined that his constitutional power to negotiate treaties allowed the purchase of what became fifteen states. In hindsight, the Louisiana Purchase could be considered one of his greatest contributions to the United States.