Sequestration of witnesses refers to the process of: a. Keeping witnesses separated from other witnesses during testimony

b. Ensuring witnesses appear in court

c. Confronting witnesses who made allegations

d. Taking a formal statement of a witness​

D. taking a formal statement of a witness

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.

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.