Authorities kept unmasking Red plots all through 1921. NEW YORK ANARCHISTS REORGANIZED, the papers said. REDS OF AMERICA UNITED UNDER ONE HEAD. AGENTS SOWING CLASS HATRED, DISSENSION, SABOTAGE. One million immigrants continued to arrive in the U.S. every year. At least 15 million more, warned U.S. Immigration Commissioner Frederick Wallis, were certain to come unless Congress did something.