The answer is option A.
California and New York has been immigration centers for decades. New York itself is a symbol of immigration in the world. This city has received immigrants from all parts
of the world since the middle of the nineteenth century, with people from more than 100 countries living actually in the city. San Francisco, located in the West Coast, has
a more recent history, attracting immigrants manly from Asia, having a significant amount of inhabitants with Chinese origin, forming a fifth of the population. Also, its liberal
values has attracted in the last fifty years people from all parts of the U.S and the world who share these views.