ocr: Nicaragua's most important, and most ditticult, relationship has been with the USA.During the Sandinista years, the USA tried to overthrow the regime by providing military aid to the Contra rebels. Chamorro's 1990 election victory initially led to the resumption ofUS aid after years ofblockade. The resurgent intluence ofthe Sandinistas, however, ledto US threats in 1993 to freeze $98 million of promised aid.
