Question

the power of the president to control the military as \commander in chief\ is written in the constitution. this is an example of what kind of power?
reserved
expressed
concurrent

Explanation:

Expressed powers are those explicitly stated in the Constitution. The president's role as Commander in Chief is directly written in the Constitution, so it is an expressed power. Reserved powers belong to states, and concurrent powers are shared by federal and state governments, neither of which applies here.

Answer:

expressed