Why was it necessary in 1868 to apply the federal bill of rights to the states with the 14th amendment?

a.
to establish civil rights for visible minorities

b.
to prevent states from continuing the practice of slavery

c.
to give the federal government the power to prevent rebellions

d.
to establish proper checks and balances between state and federal governments

b. to prevent states from continuing the practice of slavery

Explanation:

Ratified in 1868, 14th Amendment's purpose was to extend the rights and liberties granted by the Bill of Rights to former slaves. The major provision of this amendment was granting citizenship to former slaves. Its' goal was to guarantee equal civil and legal rights to black citizens. Both the Federal government and the states needed to guarantee the right to the process of law and equal protection of the laws. But the struggle for equal rights for black citizens continued for the next one hundred years until the success of the Civil Rights Movement.

answer; (d) none of the above;

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.