The US throw the European Immigration after the year 1910. There were to many immigrants in the US.
1921
In 1921, Congress enacted a law limiting annual immigration to the US to 350,000 people per year. Each year, European nations could send to the US a number equal to 3 percent of its nationals who were in the US in the year 1910. In 1924, Congress amended the immigration law and reduced the number of immigrants to 150,000, and the quota to 2 percent, and the base year to 1890. This law favored immigration from nations like Great Britain, but discriminated against central and eastern European nations like Poland, Russia and Syria. This became known as the Quota System.
In 1921, Congress enacted a law limiting annual immigration to the US to 350,000 people per year. Each year, European nations could send to the US a number equal to 3 percent of its nationals who were in the US in the year 1910. In 1924, Congress amended the immigration law and reduced the number of immigrants to 150,000, and the quota to 2 percent, and the base year to 1890. This law favored immigration from nations like Great Britain, but discriminated against central and eastern European nations like Poland, Russia and Syria.
needed many unskill workers
The new laws in the 1920s, such as the Quota Acts of 1921 and 1924, established immigration quotas based on nationality, favoring Northern and Western European immigrants while limiting Southern and Eastern European immigration. This shifted the demographic makeup of immigrants entering the United States and aimed to restrict overall immigration levels.
The different ethnicities in the United States all arrived through Immigration, with two exceptions. All of the Native American Tribes that exist within US territory had been there prior to European immigration and the African-Americans came through slave importation, not willing immigration.
European immigration vastly increased prior to the US Civil War. Famines in Ireland brought many Irish people to the US. Also, the failed 1848 peoples revolutions in Europe caused many Europeans to seek shelter in the US.
The different ethnicities in the United States all arrived through immigration, with two exceptions. All of the Native American Tribes that exist within US territory had been there prior to European immigration and the African-Americans came through slave importation, not willing immigration.
1921
Angel Island Immigration Station was built in 1910
To this day there has always been immigration to the US
No, Doha does not have a US immigration office.