He resigned in 1964 and put his energies into the International Confederation for Disarmament and Peace .
Collins was unpopular with many supporters because of his strictly constitutional approach and found himself increasingly out of sympathy with the direction the movement was taking .
Collins resigned in 1964 and put Collins ' energies into the International Confederation for Disarmament and Peace .
Collins was unpopular with many supporters because of his strictly constitutional approach and found himself increasingly out of sympathy with the direction the movement was taking .