In a study, the subjects do not know to which group they are assigned, but the researchers are aware of the subjects’ group assignments.

a. double-blind
b. placebo
c. single-blind
d. control

In a single-blind study, the subjects do not know to which group they are assigned, but the researchers are aware of the subjects’ group assignments.

ford’s revolution of the assembly like to make cars less expensive

explanation:

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.