How is this concern addressed in the U. S. Constitution? (3 points) Select one: a. By making all taxes unconstitutional b. By making barriers to voting unconstitutional c. By limiting voting rights for some Americans d. By giving noncitizens the right to vote

B

Explanation:Originally,barriers to voting were presented to minorities but the constitution has abolished those practices and barriers.They have allowed to vote that means every one now has the right to vote in U.S

explanation:

it was dumb and stupid town

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.