The number of employment visas in the Immigration Act of 1990 signaled the beginning of what kind of shift in the focus of U.S. immigration law? Question 21 options: a) A shift from concern with family reunification toward a policy of importing agricultural workers b) A shift from concern with importing agricultural workers toward a policy of family reunification c) A shift from concern with family reunification toward a policy of importing skilled workers d) A shift from concern with importing skilled workers toward a policy of family reunification