Common Sense is the answer
Steamboats, introduced in 1807, disrupt the natural environment by the need for fuel lead to deforestation and air pollution.
The first Steamboat, known as the clermont on the Hudson River in 1807, Robert Fulton ad Robert Livingston introduced the first Steamboat. It became the prefered mode of water transportation.
The Continental Congress adopted the Articles of Confederation, the first constitution of the United States, on November 15, 1777, but the states did not ratify them until March 1, 1781. The Articles created a loose confederation of sovereign states and a weak central government, leaving most of the power with the state governments. Once peace removed the rationale of wartime necessity the weaknesses of the 1777 Articles of Confederation became increasingly apparent. Divisions among the states and even local rebellions threatened to destroy the fruits of the Revolution. Nationalists, led by James Madison, George Washington, Alexander Hamilton, John Jay, and James Wilson, almost immediately began working toward strengthening the federal government. They turned a series of regional commercial conferences into a national constitutional convention at Philadelphia in 1787.
Political conflict.........
Answer: The population in The U.S. was slightly above 266 million
Explanation: