 In the 1920s , after birds were protected and alligators hunted nearly to extinction , Prohibition created a living for those willing to smuggle alcohol into the U.S. from Cuba . Rum @-@ runners used the vast Everglades as a hiding spot : there were never enough law enforcement officers to patrol it . The advent of the fishing industry , the arrival of the railroad , and the discovery of the benefits of adding copper to Okeechobee muck soon created unprecedented numbers of residents in new towns like Moore Haven , Clewiston , and Belle Glade . By 1921 , 2 @,@ 000 people lived in 16 new towns around Lake Okeechobee . Sugarcane became the primary crop grown in south Florida and it began to be mass @-@ produced . Miami experienced a second real estate boom that earned a developer in Coral Gables $ 150 million and saw undeveloped land north of Miami sell for $ 30 @,@ 600 an acre . Miami became cosmopolitan and experienced a renaissance of architecture and culture . Hollywood movie stars vacationed in the area and industrialists built lavish homes . Miami 's population multiplied fivefold , and Ft . Lauderdale and Palm Beach grew many times over as well . In 1925 , Miami newspapers published editions weighing over 7 pounds ( 3 @.@ 2 kg ) , most of it real estate advertising . Waterfront property was the most highly valued . Mangrove trees were cut down and replaced with palm trees to improve the view . Acres of south Florida slash pine were taken down , some for lumber , but the wood was found to be dense and it split apart when nails were driven into it . It was also termite @-@ resistant , but homes were needed quickly . Most of the pine forests in Dade County were cleared for development . 
 In the 1920s , after birds <a href='uninflect' title='1'><mark>were</mark></a> protected and alligators hunted nearly to extinction , Prohibition created a living for those willing to smuggle alcohol into the U.S. from Cuba . Rum @-@ runners used the vast Everglades as a hiding spot : <a href='dey_it' title='2'><mark>there</mark></a> <a href='negative_concord' title='3'><mark>were</mark></a> <a href='negative_concord' title='4'><mark>never</mark></a> enough law enforcement officers to patrol it . The advent of the fishing industry , the arrival of the railroad , and the discovery of the benefits of adding copper to Okeechobee muck soon created unprecedented numbers of residents in new towns like Moore Haven , Clewiston , and Belle Glade . By 1921 , 2 @,@ 000 people lived in 16 new towns around Lake Okeechobee . Sugarcane became the primary crop grown in south Florida and it began to be mass @-@ produced . Miami experienced a second real estate boom <a href='null_relcl' title='5'><mark>that</mark></a>earned a developer in Coral Gables $ 150 million and saw undeveloped land north of Miami sell for $ 30 @,@ 600 an acre . Miami became cosmopolitan and experienced a renaissance of architecture and culture . Hollywood movie stars vacationed in the area and industrialists built lavish homes . Miami <a href='null_genetive' title='6'><mark>'s</mark></a>population multiplied fivefold , and Ft . Lauderdale and Palm Beach<a href='been_done' title='7'><mark></mark></a> grew many times over as well . In 1925 , Miami newspapers published editions weighing over 7 pounds ( 3 @.@ 2 kg ) , most of it real estate advertising . Waterfront property was the most highly valued . Mangrove trees <a href='uninflect' title='8'><mark>were</mark></a> cut down and replaced with palm trees to improve the view . Acres of south Florida slash pine <a href='uninflect' title='9'><mark>were</mark></a> taken down , some for lumber , but the wood was found to be dense and it split apart when nails <a href='uninflect' title='10'><mark>were</mark></a> driven into it . It was also termite @-@ resistant , but homes <a href='uninflect' title='11'><mark>were</mark></a> needed quickly . Most of the pine forests in Dade County <a href='uninflect' title='12'><mark>were</mark></a> cleared for development . 
In da 1920s , after birds was protected and alligators hunted nearly to extinction , Prohibition created a living fir those willin to smuggle alcohol into tdaU.S. from Cuba . Rum @-@ runners used thdaast Everglades as a hiding spot : it ain't never enough law enforcement officers to patrol it . The advent of the fishing industry , the arrival of the railroad , and the discovery of the benefits of adding copper to Okeechobee muck soon created unprecedented numbers of residents in new towns like Moore Haven , Clewiston , and Belle Glade . By 1921 , 2 @,@ 000 people lived in 16 new towns around Lake Okeechobee . Sugarcane became the primary crop grown in south Florida and it began to b mass @-@ produced . Miami experienced a second real estate boom earned a developer in Coral Gables $ 150 million and saw undeveloped land north of Miami sell for $ 30 @,@ 600 an acre . Miami became cosmopolitan and experienced a renaissance of architecture and culture . Hollywood movie stars vacationed in the area and industrialists built lavish homes . Miami  population multiplied fivefold , and Ft . Lauderdale and Palm Beach been grew many times ova as well . In 1925 , Miami newspapers published editions weighing oova7 pounds ( 3 @.@ 2 kg ) , most of it real estate advertising . Waterfront property was thedast highly valued . Mangrove trees was cut downn and replaced witt palm trees to improve the view . Acres of south Florida slash pine was taken down , sum for lumber , but the wood was found to bbdense and it split apart when nails was driven into it . It was also termite @-@ resistant , but homes was needed quickly . Most of the dae forests in Dade County was cleared for development .