Explanation:
Social Darwinists believe in “survival of the fittest”—the idea that certain people become powerful in society because they are innately better. Social Darwinism has been used to justify imperialism, racism, eugenics and social inequality at various times over the past century and a half.
The answer is selective incorporation which is letter b. It is
a principle written into the Constitution that safeguards American citizens
from their states’ ratifying of laws that could break upon their rights.
Selective incorporation is not an act or a law, but a doctrine that has been recognized
and established time and again by the United States Supreme Court. Fundamentally,
selective incorporation allows the federal government to place limitations on
the states’ lawmaking power.
Answer:
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