On July 18, General Anderson wrote that he suspected Aguinaldo to be secretly negotiating with the Spanish authorities. In a July 21 letter to the Adjutant General, General Anderson wrote that Aguinaldo had "put in operation an elaborate system of military government, under his assumed authority as Dictator, and has prohibited any supplies being given us, except by his order," and that Anderson had written to Aguinaldo that the requisitions on the country for necessary items must be filled, and that he must aid in having them filled.