The Republic of Indonesia

The Republic of Indonesia is a Union State with Five Principles (Panca Sila) nl. 1. Believe in God; 2. Humanism; 3. National Unity; 4. People Sovereignity; 5. Social Justice.

Phisical Revolution was started by the coming of AFNEI (Allied Forces for Netherland East Indies) under British Troops in Surabaya about 2 months after the Proclamation. They still used the name of Netherland East Indies instead of Indonesia and AFNEI consisting also Dutch Army (KL Koninglijke Leger), because Netherland was remain recognized as one of the allied member though not heroicly to fight against German and Japanese attack in the beginning of World War II.
Indonesian people did not fully agree to AFNEI that after they finished their RAPWI mission they tend to put again Indonesia under NICA (Netherland Indie Civil Administration).
Phisical Revolution named by Sukarno, then change as War of Independence by Suharto regime ended in 1948 by Rounded Table Conference. The Netherland Govt. want to have Indonesia as a state of Commonwealth but RI delegates prefer as Federal State recognizing delegates of BFO (Bijeenkomst Federaal Overleg) under Sultan Hamid II.
Repubik Indonesia Serikat (RIS) or Federal State was agreed by RI as win-win solution
just to end the war. Similarly also agreed faith accomply, according to the conference, New Guinea will be discussed after one more year. The dispute of this was continued untill 1963 when RI anounced Trikora (Three People Commands). Then New Guinea under Republic of Indonesia the name was changed becoming Irian Jaya.
The Federal Republic of Indonesia also agreed under Sukarno -Hatta as President and Vice President. The Government moved from Yogyakarta to Jakarta but after only one year RIS returned to RI as Union State again !