What former slave brought attention to the issue of slavery through writing and speeches

Since so many american men during world war ii were fighting overseas, the factorices lay empty. this presented a problem the u. s. military was in such dire need of manufactured goods bullera, tanks, airplanes , ships, and many other things. whose point of view si best reflected in these lunes?

How long was the peasants’ work day?

In 1956 , what country tried to break free of soviet control