Why did big business and/or industry favor immigrants for their workforces?

Big business and/or industry favored immigrants for their workforces because of immigrants lesser knowledge of languages or native languages from various countries. They are also eager to work for any job given to them to earn enough money for their living.

Large businesses or industries prefer and favor immigrants for their workforces, because immigrants, are individuals knew less languages or native languages in different countries and are willing to work for any given job for them to be able to earn any given amount of money.