Think precipice means:
Precipice definition:

prec·i·pice

/ˈpresəpəs/

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noun

a very steep rock face or cliff, especially a tall one.

"we swerved toward the edge of the precipice"

Explanation: Hope this helps u darling~! :)

the statement that best explains why the tenth amendment reserves some rights and powers to states is that the framers believed in the principle of federalism. this principle says that some powers are in the hands of a centralized national government, while others are reserved for the governments of several states.