The longest river in the world is the river.
a.
amazon
b.
mississippi
c.
niger
d.
nile

The correct answer is D) Nile.

The longest river in the world is the Nile River.

The Nile River is located on the African Continent. It runs from Egypt, Sudan, Ethiopia, Kenya, Congo, Burundi, Rwanda, Uganda, and Tanzania. The river empties in the Mediterranean Sea, in the region of Alexandria, Egypt. It was precisely in the Nile River were ancient Egypts decided to establish due to the many advantages it represented. The flooding of the Nile River helped the Egyptians to grow cash crops for their consumption and to trade with other tribes.

The correct answer is: New civil rights laws.

Explanation:

Black codes were laws with hard restrictions on African Americans, they prohibited their right to vote, or work on certain places, they had no right to testify against white men, etc. This laws were passed by Southern states between 1865 and 1866 to ensure a cheap labor force. The new civil rights laws were passed by the Radical Republicans ensuring the freedom and equal rights of African Americans.