Which best describes the policy stemming from 1896 plessy v. ferguson supreme court decision

Which caused demand for farm products to decline after world war i

Why did roosevelt support a “europe first” strategy even though it had been japan that had first attacked the united states?

How would high tariffs hurt america? a. fewer immigrants would be able to move to america b. sales of american products to other countries would go down c. americans would sell more goods to other countries d. goods imported from other countries would cost less