Mindanao witnessed one of the earliest forms of political units in the Philippines, ruled by the datus, but with the arrival of Sheik Makdum in the 13th century and the introduction of Islam into the country. the natives, Mindanao then experienced major socio-political changes, which were followed by Shariff Kabunsuan in the 15th century. These arrivals led to the formation of Islamic communities and Islamic sultanates that united all of Mindanao and, overall, strongly repelled the foreign dominations of the Spanish, Americans, and Japanese. During the 1950s, President Ramon Magsaysay opened the doors of Mindanao to Christian settlers to share the natural resources found beneath his lands. The influx of these settlers made Mindanao a “melting pot” of diverse cultures, ethnicities, traditions and beliefs, without causing conflicts among them. But “the situation changed when unscrupulous people, mostly politicians and businessmen, took advantage of the economic weakness of the population. State", and in February 1973, the Moro National Liberation Front had a conflict with the Armed Forces of the Philippines, which caused the death and displacement of thousands of residents. On July 7, 1975, then President Ferdinand Marcos signed Presidential Decree No. 742 and Letter of Instructions 290, creating the Western and Central Mindanao Regions and establishing the Office of the Regional Commissioner. But despite these changes, conflicts persisted between the MNLF and the army. The Organization of the Islamic Conference intervened in the situation, causing the signing of the Tripoli Accord between the MNLF and the Philippine government on December 23, 1976 in Tripoli, Libya. Pursuant to this agreement, the autonomous southern region of the Philippines assumed the presidency, reversed the all-out war declared by the Estrada administration, and administered peace talks that led to the signing of a ceasefire agreement. late June 22, 2001. President Arroyo also supported the September 2001 plebiscite for the ratification of RA 9054, which expanded his autonomy zone to Basilan and the Islamic City of Marawi. Dr. Parouk Hussin was elected governor of the newly expanded ARMM in 2002. In 2006, Shariff Kabunsuan in Maguindanao became a province, but a Supreme Court ruling in 2008 overturned its creation, with the COMELEC claiming that the decision to SC had no effect during the elections and the decisions are not yet final. Datu Zaldy Uy Ampatuan has served as ARMM regional governor since 2005, but following his suspension following the 2009 Maguindanao massacre, he was replaced by acting governor Ansaruddin Adiong..