What were the two reasons that the polish government imposed martial law in poland in the early 1980s?

Many blacks moved from the south to northern cities during world war li looking for employment. after the war, a number of them lost their jobs. why did this happen?

Which statements describe how reformers fought for social change in the progressive era? check all that apply. 1. they founded a state university to promote industrialization. 2. they began a civil rights movement to promote equality between races. 3. they made it legal to manufacture and sell alcohol. 4. they built thousands of new schools and required attendance. 5. they promoted abstinence from alcohol and supported prohibition.

How was the u.s. economy different from european economies following world war 1?