Mostly because they look to each story from their own experiences
The Number of Representatives shall not exceed one for every thirty Thousand, but each State shall have at Least one Representative
Adam Smith, he was the first to write on the concept of a free market economy, the basis of Capitalism.
The columbian exchange had a very negative effect on the Native Americans. The native americans received mostly disease from Europeans, but also certain plants and animals. Syphilis is one thing Europeans contracted from Native Americans.