Answer:
National standards, grants-in-aids, overriding power
Explanation:
The federal government can standardize policies between states by setting national standards which the states are bound to comply with.
The federal government also ensures standardization by overriding states laws and policies that are inconsistent with federal policies.
The federal governments can also use grants-in-aids to compensate states whose policies are similar to those supported by the federal government thus causing other states to adopt those policies.
Answer:
Some rewards can be free T-shirts, or maybe a trophy or medal.
Explanation:
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Early psychologists applied methods of physiology to study mental processes.
The Supreme court maintained a precise separation of state power and national power
