There were five tribes in the Southeast portion of the United States that had lived there for centuries. They did not always get along with the United States, but in recent years they did. The United States actually signed treaties with these tribes saying they would not be bothered or asked to leave their land, as long as they did not cause problems for our country. Which of the following is not one of those five tribes known as “the five civilized tribes” of the southeast? Cherokee
Creek
Choctaw
Iroquois
Chickasaw
Seminole

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

the answer is a wheel

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

answer; personal construct;