Costa Rica–Mexico relations peaceful resolution. This was known as the "Pacto de la embajada de México". The war ended in April 1948 and Costa Rica entered into its 'Second Republic.' During the central-American wars taking place in neighboring El Salvador, Guatemala and Nicaragua; both Costa Rica and Mexico led mediation dialogues between warring factions in each nation in order to bring peace and stability to the region. Mexico (along with Colombia, Panama and Venezuela) created the Contadora Group which helped create the framework for the Esquipulas Peace Agreement, led by Costa Rica's President Oscar Arias. Presidential visits from Costa Rica to Mexico Presidential
Foreign relations of Costa Rica Peace Agreement and Arias was awarded the 1987 Nobel Peace Prize for his work. Arias also promoted change in the USSR-backed Nicaraguan government of the era. Costa Rica also hosted several rounds of negotiations between the Salvadoran Government and the Farabundo Martí National Liberation Front (FMLN), aiding El Salvador's efforts to emerge from civil war and culminating in that country's 1994 free and fair elections. Costa Rica has been a strong proponent of regional arms-limitation agreements. Former President Miguel Ángel Rodríguez recently proposed the abolition of all Central American militaries and the creation of a regional counternarcotics police force in