Whh did Lincolf Shift the focus of the war to freeing the slaves instead of unification

If the soviets had been true to karl marx’s theory of communism, what would they have done? a. created the most powerful army in the world b. industrialized the soviet union as quickly as possible c. turned ownership of farmlands over to the workers d. opposed all asian countries e. opposed all european countries

Who is considered the father of modern science?

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?