On November 24 , Eisenstein signed a contract with the Trust . The deal was `` upon the basis of Eisenstein 's desire to be free to direct the making of a picture according to his own ideas of what a Mexican picture should be , and in full faith in Eisenstein 's artistic integrity . '' On November 24 , Eisenstein signed a contract with the Trust `` upon the basis of Eisenstein 's desire to be free to direct the making of a picture according to his own ideas of what a Mexican picture should be , and in full faith in Eisenstein 's artistic integrity . ''