 This memorandum provided a motive for Venezuela's contentions that there had in fact been a political deal between the British judges and the Russian judge at the Arbitral Tribunal, and led to Venezuela's revival of its claim to the disputed territory.By the 1950s, Venezuelan media lead grassroots movements demanding the acquisition of Guayana Esequiba.Under the dictatorship of Marcos Pérez Jiménez, the Venezuelan government began plans to invade Guayana Esequiba.