Federalism comes in different forms. Name two of them with suitable example

1: Dual Federalism

2: Cooperative Federalism

Explanation:

Dual Federalism recognizes that union and states are equal, the states government retains all the other powers while the union government has only the powers granted to them(expressly).

For example, The National government has powers over foreign and military's policy, postal system.

Cooperative Federalism holds that the federal government is more superior than the state government, the federal government should extend its power as far as possible.  

For example, to maintain the national highways federal government might create grants in aid to fund the state to pursue the policy

answer; i believe that the correct answer is ( rivers);

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.