Between 1950 and 1970, suburbanization: a. encouraged puerto rican immigration. b. eased racial tensions in american cities. c. hardened racial divisions in american life. d. encouraged a revitalization of american cities. e. was the theme of the broadway musical west side story.

c. hardened racial divisions in American life.

Explanation:

Between the year 1950 and 1970 , the way of segregate American life was the suburbs , because , the suburbs became dominant in the cities , and ,

hence , it is also known as white fight , there was the practice of prejudice by the suburbs in the planners and banks .

Hence , the correct answer for the given information is   c. hardened racial divisions in American life .

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.

all freedom fighters demanded for constitution. so british finally granted india it's freedom. then a constituent assembly was formed. it's chair man was rajendra prasad and its deputy chairman was dr. br ambedkar.

this assembly take the time of about one year than our constitution was finally formed.

explanation: