What were the effects of the land boom in florida? check all that apply.
A. by 1930 thousands of people had moved away from the state.
B. investors drained swamps to acquire additional land to sell.
C. new roads and highways were built in many parts of the state.
D. new businesses developed to support and cater to new residents.
E. the everglades was one of the few areas that remained untouched.