Indonesia–Japan relations on Indonesia, and later the Consultative Group on Indonesia. Indonesia–Japan relations Indonesia–Japan relations are foreign bilateral relations between Indonesia and Japan. Both are two Asian nations which share historical, economic, and political ties. Both nations went through a difficult period in World War II when the then Dutch East Indies was occupied by the Imperial Japanese Army for three-and-a-half years. Japan is a major trading partner for Indonesia. Japan is Indonesia's largest export partner and also a major donor of development aid to Indonesia through Japan International Cooperation Agency. Indonesia is a vital supplier of natural resources such as liquefied
Constitution of Indonesia powers. The governmental system has been described as "presidential with parliamentary characteristics." Following the Indonesian 1998 Upheaval and the resignation of President Suharto, several political reforms were set in motion, via amendments to the Constitution of Indonesia, which resulted in changes to all branches of government as well as additional human rights provisions. The Japanese invaded the Netherlands East Indies (Indonesia) in 1942, defeated the Dutch colonial regime, and occupied it for the duration of the Second World War. Indonesia then fell under the jurisdiction of the Japanese Southern Expeditionary Army ("Nanpo Gun"), based in Saigon, Vietnam. The Japanese divided