The Bosnia and Herzegovina declaration of sovereignty in October of 1991, was followed by a referendum for independence from the former Yugoslavia in February of 1992. The Bosnian Serbs - supported by neighboring Serbia - responded with armed resistance aimed at partitioning the republic along ethnic lines and joining Serb-held areas to form a "greater Serbia." In March 1994, Bosnia's Bosniaks and Croats reduced the number of warring factions from three to two by signing an agreement creating a joint Bosniak/Croat Federation of Bosnia and Herzegovina. On 21 November 1995, in Dayton, Ohio, the warring parties signed a peace agreement that brought to a halt the three years of interethnic civil strife (the final agreement was signed in Paris on 14 December 1995). The Dayton Agreement divides Bosnia and Herzegovina roughly equally between the Federation of Bosnia and Herzegovina and the Bosnian Serb Republika Srpska. In 1995-96, a NATO-led international peacekeeping force (IFOR) of 60,000 troops served in Bosnia to implement and monitor the military aspects of the agreement. IFOR was succeeded by a smaller, NATO-led Stabilization Force (SFOR) whose mission is to deter renewed hostilities. SFOR remains in place, with troop levels to be reduced to about 19,000 by spring 2000.