List 5 powers that the states are specifically prohibited?

The Constitution denies the state governments the authority to:

make treaties with foreign governments;

issue bills of Marque;

coin money;

tax imports or exports;

tax foreign ships; and.

maintain troops or ships in a time of peace.

Explanation:

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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.