Which statement about reserved powers is accurate?

they regulate commerce between states.
they are held by the states alone.
they permit the drafting of soldiers.
they are implied within the constitution.

Reserved powers refer to power over regulated trades according to the constitution, these powers regulate trade between states, to control their production activities and to ensure that everyone works according to law, through the use of these powers.

The nineteenth amendment changed voting rights as it allowed for women to vote nation wide