By discouraging students from practicing their tribal beliefs.
These schools were set up to erase Native American culture.
Explanation:
It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
The main purpose of the amending process described in Article V of the Constitution is to permanently protect the people of the nation from unreasonable amendment proposals and ratifications.
This can be a civil war. The country fights over the same resources - land - etc.