What is the primary purpose of the supremacy clause?

To insure that states do not abuse power

Explanation:

The Supremacy Clause sets a hierarchy of laws.

Federal laws are supreme and states cannot pass laws that interfere with federal laws. States can't interfere with congressional powers.

An example would be an Anti-Discrimination law. Such as section 2 of the Voters Rights Act of 1965

a, c, & d are correct:

they wanted lands to settle the extra population.

they wanted new markets for english goods.

they wanted to avoid civil war.

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.