 In 1934 Germany unilaterally stopped payments on private debts of the sort that Dulles was handling In 1935, with the Nazis in power, Sullivan & Cromwell's junior partners forced Dulles to cut all business ties with Germany.Dulles was then prominent in the religious peace movement and an isolationist, but the junior partners were led by his brother Allen, so he reluctantly acceded to their wishes.Dulles was a prominent Republican and a close associate of Gov.