Though representatives of the United States participated very actively in the drafting of the Constitution of the International Labor Organization in 1919, and though the first International Labor Conference was held in Washington under the presidency of the Secretary of Labor, the Government of the United States had no part in the work of the International Labor Organization during its first fifteen years. In consequence, the United States has hitherto held aloof from one of the most significant of the modern developments of international law. Fortunately, this situation has now been changed. On August 20,1934, the United States became the fifty-ninth member of the International Labor Organization. The steps by which this result has been achieved, and the problems growing out of it, present some interesting legal questions which ought not to escape attention.