 That hostile political stance led to the Indonesia–Malaysia Confrontation in the early 1960s that was manifested in an undeclared war with small scale transborder battles and military infiltration in Borneo.Sukarno accused the new nation of Malaysia of being a British puppet state aimed at establishing neo-imperialism and neo-colonialism in Southeast Asia, and also at containing Indonesian ambition to be the regional hegemonic power.However, it was also suggested that Sukarno's campaign against the formation of Malaysia was actually motivated by a desire to unite the Malay Peninsula and the whole island of Borneo under Indonesian rule and to complete the previously abandoned idea of Greater Indonesia.