Why do you think olmsted is called the father of urban planning

Because he was an American landscape architect, journalist and botanist, famous for designing many well-known urban parks, including Central Park and Prospect Park, both in New York. Another of his projects, was the oldest coordinated public park and avenue system in the country, Buffalo, New York; the oldest state park in the country: the Niagara Falls Reserve, in Niagara Falls, New York; Mont-Royal Park, Montreal; the Emerald Necklace, in Boston, Massachusetts; Cherokee Park (in addition to the avenue system) in Louisville, Kentucky; as well as Jackson Park, Washington Park and Midway Plaisance in for the World's Columbian Exposition in Chicago; part of the Detroit Belle Isle park; the gardens of the United States Capitol; and the George Washington Vanderbilt II building, the Biltmore Estate, in North Carolina.

#1 im pretty sure its a.