Julia Tuttle subsequently convinced Henry Flagler, a railroad tycoon, to expand his Florida East Coast Railway to the region, for which she became known as "the mother of Miami." Black labor played a crucial role in Miami's early development.During the beginning of the 20th century, migrants from the Bahamas and African-Americans constituted 40 percent of the city's population.From top, left to right: Skyline of Downtown, Freedom Tower, Villa Vizcaya, Miami Tower, Virginia Key Beach, Adrienne Arsht Center for the Performing Arts, American Airlines Arena, Port of Miami, the Moon over Miami) is a major port city on the Atlantic coast of south Florida in the southeastern United States. The Civic Center is a major center for hospitals, research institutes, medical centers, and biotechnology industries.As the seat of Miami-Dade County, the municipality is the principal, central, and the most populous city of the Miami metropolitan area and part of the second-most populous metropolis in the southeastern United States. For more than two decades, the Port of Miami, known as the "Cruise Capital of the World", has been the number one cruise passenger port in the world.Miami and its suburbs are located on a broad plain between the Florida Everglades to the west and Biscayne Bay to the east, which also extends from Florida Bay north to Lake Okeechobee.The elevation of the area never rises above 40 ft (12 m) above mean sea level in most neighborhoods, especially near the coast.
The Miami area subsequently became a site of fighting during the Second Seminole War. Downtown Miami is home to the largest concentration of international banks in the United States, and many large national and international companies.It accommodates some of the world's largest cruise ships and operations, and is the busiest port in both passenger traffic and cruise lines.During the early 20th century, northerners were attracted to the city, and Miami prospered during the 1920s with an increase in population and infrastructure.The legacy of Jim Crow was embedded in these developments. Leslie Quigg, did not hide the fact that he, like many other white Miami police officers, was a member of the Ku Klux Klan.