Opera in Latin America and indigenous peoples and were influenced by zarzuela, a form of Spanish opera . In the 20th century many nationalist operas were composed across Latin America, with particularly thriving opera scenes in Mexico, Argentina and Brazil. Today, there are numerous active opera houses throughout Latin America and composers continue to write new operas. We also have organizations such as the International Brazilian Opera Company (IBOC) and Opera Hispanica who are promoting new Latin American operatic repertoire internationally. In 1711, the opera "Partenope" premiered in Mexico City. Its music was by Manuel de Zumaya, the most important Mexican baroque composer. This
Latin America–United States relations and for much of the Cold War (1947–1991), actively vied with the Soviet Union for influence in the Western Hemisphere. Today, the ties between the United States and most of Latin America (with the exception of certain countries such as Cuba and Venezuela) are generally cordial, but there remain areas of tension between the two sides. Latin America is the largest foreign supplier of oil to the United States and its fastest-growing trading partner, as well as the largest source of drugs and U.S. immigrants, both documented and otherwise, all of which underline the continually evolving relationship between the two.