The U. S. government's Immigration Act of 1990 .a. established a government program to teach American workers displaced by immigration how to start their own businesses. b. proposed an exchange program for American and European entrepreneurs to temporarily live internationally in order to open up foreign branches for their businesses. c. established guidelines to help entrepreneurs recruit legal aliens as a source of low-cost labor. d. encouraged entrepreneurs to come to the U. S. through "investor visas."

d. encouraged entrepreneurs to come to the U.S. through "investor visas."

Explanation:

The immigration Act of 1990 was enacted in order to invite capital owners from foreign country into united states.  The government hoped that this will resulted in reduction of unemployment rate in united states and stimulate the economy in the long run.

This was the reason they prioritized immigrants who can come through  "investor visas."  This method was granted for people who have enough wealth to opened new businesses in united states.

the first option is correct

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~courtney

using the scientific method.