What very important resource is scarce in the rigion

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

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