This scholarly source discusses the processes in which the Sandinista party came into creation and how the United States and Soviet Unions became involved in Nicaragua, in order to explore how the Nicaraguan Revolution became a proxy war during the Cold War.
This website gives an up-to-date and accurate overview of general facts on Nicaragua. It is divided into various sections in where each part addresses different aspects of the country (i.e. geography, economy, government, and general history.) Overall, through the use of statistics, the website provides purely basic and factual background information on Nicaragua.