What war is being referred to in the second line? In The Articles of Confederation DBQ

The slave dred scott sued for his freedom because he was born a free man. he had lived in a free state. slavery violated the 13th amendment he had been freed by pres. lincoln.

How did the life of sharecroppers affect their children? children went to school because the farms were small, with little work, children had to work on the farm, so they rarely went to school children learned skilled professions as they worked around the farm. children left home when they became adults because the land wasn't theirs.

What was true about the progressive movement?