I believe the answer is;
C) Specialize in specific forms of labor
Carolinas.
Virginia and Chesapeake Bay.
New England.
New York and New Jersey.
Midwest, Mississippi River, and Louisiana.
Florida.
Georgia
The Wagner act is also known as the National Labor Standards act
<span>swift rivers provided power for machines</span>
True - the purpose of the expedition was to map the new louisiana territory as well as lay claims to the oregon country :)
