The colonists were killed by Native Americans or hostile Spaniards
Are you asking what it is?
Roots of the Scientific Revolution. The scientific revolution, which emphasized systematic experimentation as the most valid research method, resulted in developments in mathematics, physics, astronomy, biology, and chemistry. These developments transformed the views of society about nature.
Identity, assimilation, tribal sovereignty, revitalizing native culture. There are more but I hope these help
answer
The Constitution specifically grants Congress its most important power — the authority to make laws. ... These include the power to declare war, coin money, raise an army and navy, regulate commerce, establish rules of immigration and naturalization, and establish the federal courts and their jurisdictions.