What are the criticisms of Keynesian economics?

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.

Which empire was called "the sick man of europe? "

What was one cause of the decembrist revolt? a. the desire for a constitutional monarchy b. the need for workers’ reforms c. the creation of a new railway line d. the outcome of the crimean war