Lockouts were tactics that was not used by trade Unions.
Abu Bakr was elected after Muhammad's death
The answer is C. Delegated Powers
Delegated powers (also known as Enumerated powers) are powers which were given to the federal government by the constitution. These powers ONLY allow the FEDERAL government to do these things. They cannot be taken up by the states. Hope this helps;)
a decrease in overall demand and its causing a declinein GDP