Answer:
C, D, F and G.
Explanation:
The following statements BEST supports the claim that "William B. Hartfield had a tremendous impact on the history of Atlanta";
C. Coined the phrase "The City Too Busy To Hate" because Atlanta did not have any major incidents of violence during the Civil Rights Era.
D. He was Atlanta’s longest serving mayor from 1937-1961.
F. Atlanta population grew exponentially in size under his tenure.
G. Was known as the Atlanta’s "Father of Aviation" because he believed that an airport for Atlanta would be a key to the city's economic prosperity.