The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to
the States respectively, or to the people.
-U. S. Constitution, Tenth Amendment
What was the purpose of this amendment?

health and medicine because people are dying from not being healthy or not strong enough medicine

the allies' desire to seek retribution for germany's actions

in some middle east countries women have to wear outfits that show only their eyes, and in some places the parent arange marriages