How did the contributions of former mayor of Atlanta Ivan Allen, Jr., during his time in office help the city develop economically?
A.
By establishing the first international airport in the city, Allen helped Atlanta to become a global tourist destination.

B.
By creating tax breaks to encourage movie studios to film in the city, Allen helped Atlanta's movie industry expand.

C.
By using taxes to help aircraft companies build factories in the city, Allen helped Atlanta gain military contracts during World War II.

D.
By bringing professional sports teams to the city, Allen helped Atlanta create the infrastructure that would allow it to host the Olympics