Northerners who came to the South after the Civil War were known as:

A. Radical Republicans.

B. Carpetbaggers.

C. Bushwhackers.

D. Know-Nothings.

Hello.

The answer is

Carpetbaggers

Northerners who came to the South after the Civil War are known as Carpetbaggers.

They left for money and food and because of the socity.

Have a nice day

The correct answer is option B. "Carpetbaggers".

Explanation:

A Carpetbagger is a derogatory term for political candidates who seek election in an area where they don't belong and don't have local connections. In American history, this term was used by former Confederates to name Northerners who came to the South after the American Civil War since they perceived that they were looking to exploit the local populace for their own benefit.