The E-2 visa allows foreign nationals who make a substantial investment in the United States to live and work in the United States while they manage the investment.  The investor must actively manage the business, and passive investments like undeveloped land, or stocks do not qualify.  22 CFR 41.51 N8.  The investor must be a national of a country that is a party to a treaty of friendship, commerce and navigation with the United States to be eligible for an E-2 visa.  But under the Immigration Act of 1990, an investor may also be eligible if the investor's