 Complete the following phrase:  Realizing that unity was needed to coordinate efforts against the French and to deal with British aid, several supreme juntasMurcia, Valencia, Seville and Castile and Leóncalled for the formation of a central one. After a series of negotiations between the juntas and the discredited Council of Castile, which initially had supported Joseph I, a Supreme Central and Governmental Junta of Spain and the Indies met in Aranjuez on 25 September 1808, with the Conde de Floridablanca as its president. Serving as surrogate for the absent king and royal government, it succeeded in calling for representatives from local provinces and the overseas possessions to meet in an Extraordinary and General Cortes of the Spanish Nation, so called because it would be both the single legislative body for the whole empire and the body which would write a constitution for it. By the beginning of 1810, the forces under the Supreme Central Juntas command had suffered serious military reversesthe Battle of Ocaña, the 