 Complete the following phrase:  Not all the generals were on board with the new political arrangement. General José Gonzalo Escobar led a rebellion in March 1929 against the interim Portes Gil government. The U.S. backed the interim government and Escobar was unable to obtain arms, so the revolt failed. Although short-lived, it highlighted the necessity of finding a better mechanism for the transfer of the presidency as well as to bring to an end the 