Answer:
The States
Explanation:
Expressed powers are for the Federal Government. These are powers that are specifically stated in the U.S. Constitution. If the U.S. Constitution does not express a power, that power is considered a reserved power. A reserved power is a power that the states have.
Blitzkrieg tactics were very successful, because they were surprise attacks, so the country being attacked usually didn't have time to prepare for the attack. They were also very quick, so Germany could blitzkrieg attack another country, and then leave before the country attacked could gather its military to defend themselves.
