The document discusses the evolution of Philippine government from independence to present day. It begins with the establishment of the First Philippine Republic in 1899 after the ratification of the Malolos Constitution. This republic was abolished by the US in 1899 when it began annexing the Philippines. The document then discusses the establishment of the Biak-na-Bato Republic and the making of the Malolos Constitution. It continues discussing the various governments that followed including the Commonwealth periods and the Japanese occupation during World War 2 when the short-lived Second Philippine Republic was established under the 1943 Constitution.