writing a state constitution is an example of\nan implied power.\na reserved power.\na concurrent power.\nan…

Brief Explanations:

In the United States, 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. Writing a state - constitution falls under the category of reserved powers as it is a power that the states have retained for themselves. Implied powers are those not expressly stated but reasonably implied from the expressed powers. Concurrent powers are shared by the federal and state governments. Expressed powers are those specifically listed in the Constitution for the federal government.

Answer:

B. a reserved power.