If there are nearly 4,000,000 slaves in the united states, why did only 100,000 escape along the railroad?

The soviet union and the united states believed in two very different economic systems. what were the names of each?

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.

What us action attempted to halt japanese expansion in the pacific prior to world war ii