Doctors have been looking for a cure for which disease since 1981? . polio. cancer. aids. tuberculosis

Which progressive reform was least related to the causes and effects of world war i? o legislation limiting the use of child labor o establishing 8-hour workdays for railroad workers o reducing tariffs on imported goods o expanding women's rights and the right to vote

How does the grapes of wrath identify the effects of americans' views on the dust bowl? the story is a depiction of oklahoma farmers and the difficulties they experienced migrating to california. the story accurately describes the impact the california vineyard industry had on migrant workers. the story covers the rise of corporate farming and the devaluation of the small family farms that dotted the great plains. the story is an allegory for the conflicts between american values and the rise of the communist party in the united states.

He electoral vote is tied between two presidential candidates. what happens next? the house votes to determine who wins the presidency. the senate votes to determine who wins the presidency. the presidency is decided by the supreme court. the presidency is decided by the popular vote.