Which invention was most important in revolutionizing the meat industry?

air brakes

knuckle couplers

the Pullman car

the refrigerator car

How did FDR cause African Americans to change party allegiance? A. Allowing them to join the Republican Party for the first time B. Becoming a member of the party that had freed the slaves C.

Which is an argument for free trade? A. It protects fragile ecosystems B. It provides jobs for workers in developed nations C. It results in less expensive goods for many people D. It leads to peaceful resolutions of international conflicts

How did the admission of new territories and states increase the tension between free and slave states?

After Stalin's death, several leaders shared power in the Soviet Union until Nikita Khrushchev claimed leadership for himself. a. True b. False

Why did cowtowns find it necessary to "keep the peace"? How did they go about doing this?

Why does Martín luther king jr. Feel that he and other african americans can't wait any longer for equality?

he served as lieutenant governor and he was the first African American elected to statewide office in Louisiana

What was the result of the Reconstruction Amendments (the Thirteenth, Fourteenth, and Fifteenth Amendments) ? A. Voting rights were extended to all citizens regardless of race or gender. B.

Why was the electricity generated by the TVA cheaper than that generated by private power companies? Workers for the TVA did not receive payment like private workers did. The TVA operated mostly at a loss instead of trying to make a profit.

What might be some challenges for Rome in managing its vast empire?