Where in the constitution does it guarantee that the national government will not usurp state powers?

What did the 13th , 14th 15th, and 19th amendments do?

Amendment was the first government definition of a citizen. answer = fourteenth amendment

The red arrow shows the direction that wind from the south pole would travel if earth were not spinning. the wind's destination is at point a. because earth is spinning in the direction shown by the blue arrow, the coriolis effect will cause the wind to terminate closest to which point?