Does a changing world cause wars or do wars cause the world to change? ( please explain in detail)

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.

Answer the questions in the image for zoom in to see better

What is the definition of federalism