As primary landforms are formed, erosion and weathering create "secondary landforms," since these were once "primary landforms" that have been diminished naturally.
Answer:
The answer is D). To defend Indigenous from US expansion
Explanation:
B. Refusing to fight back made the cause of civil rights seem more just.
During this time, new business regulations focused on reducing corruption in big businesses and in the government, since many people thought that wealth and prosperity were wildly uneven in the US.
A. To ensure that the government has little power as possible