In what way did Uncle Tom’s Cabin change the attitude of Northerners about slavery?

(1 point)
Responses

They began to view it as a political problem.
They began to view it as a political problem.

They began to view it as an economic problem.
They began to view it as an economic problem.

They began to view it as a moral problem.
They began to view it as a moral problem.

They began to feel it was none of their concern.

They began to view it as a moral problem.