In Thomas Paine's Common Sense, two key ideas were expressed. The first idea was the notion of American independence from British rule. Paine argued that it was both logical and beneficial for the American colonies to break away from Britain and establish their own government. He emphasized the importance of self-governance and the ability of the American people to make decisions that directly impacted their lives.
The second idea conveyed in Common Sense was the concept of republican government. Paine made a case for establishing a representative form of government in which power would be vested in elected officials who would act in the best interests of the people. He criticized the idea of monarchy and advocated for a system that allowed for equal representation and the protection of individual rights.
Both of these ideas had a significant influence on the American Revolution and helped shape the foundations of the United States of America.