Perspective of Mexican "Illegal Immigration" in America

The Mexican is the most serious problem of the American illegal immigration issues.It stems from the fact that the United States occupied of large swathes of territory of Mexico in the mid 19th century.It has gone through three major tides in the developing process.The Mexico illegal immigrants have made certain contribution to the Amrica's development,and it also brings about some social problems.Under the anti-illegal immigration call among Americans,the United States government has adopted certain policies to control the illegal immigration many times,but the Mexican illegal immigrants are still repeated.Increasing economic assistance to Mexico and helping mexico to develop the economy and the fundamental ways for America to solve the Mexican problem.