It started with the National defence act in 1919. Which allowed the school to loan equipment from the military. This also gave them access to military personal. Then the vitalization act of 1964 replaced the active military personal with retired ones. It also added the other branches of the military not just the airforce.
Answer:
the transfer of people's, diseases. plants, and animals between the New and Old Worlds
"The southward migration of industry from New England has too frequently taken place for causes other than normal competition and natural advantages."
