how does the past event affected the present

the USA is the country with more immigrants in the world wiht almost  42,8 millos of inmmigrants  of all the countrys.




African immigrants are recent immigrants to the united states from africa. This group is to be distinguished from afro-americans, afroa caribbeans  and afro-latinos, who are descended from black africans


The first Chinese immigrants arrived in 1820 according to U.S. government records. 325 men are known to have arrived before the 1848 california gold rush^7] which drew the first significant number of laborers from China who mined for gold and performed menial labor
  

The term Hispanic was first adopted by the United States government in the early 1970s, during the administration of richard nixon and has since been used in local and federal employment,mass media academia, and business market research. It has been used in the U.S. Census since 1980