There are many reasons why many immigrants go to another country. but the one that can trigger a mass immigration is due to a war. When war broke out in one country, citizens are being affected directly as many of the daily activities that are needed would be suspended. That includes work, school, and even government offices close. If the war is seen to take a long time then residents will choose to go to another country so they can have freedom and start over.
You can see the actual data that has been presented by the immigration council. The data shows how the immi8grants give the contribution to the growth of the economy of Tennessee. It is a positive one as most immigrants could be employed and so they could support themselves and their families. As they can learn English, they can speak it well and also understand it. The English language is necessary and it is not a problem as they can learn it as it is the main language.
Immigrants are also not the ones that are employed but there are also entrepreneurs. This is good in the economy as they can provide jobs and also has demands on products and services of other businesses. It is a cycle that makes the economy rolling so that there could be progressed to be seen. Now the immigrants are considered as an essential force and contributors as workers having skills and knowledge useful in the industry they belong to.