Republic of North Peru Peru and North Peru reverted to being a unified Republic of Peru. The Peru-Bolivian Confederation was a plan that attempted to reunite the "Alto Perú" ("Upper Peru", now Bolivia) and "Bajo Perú" ("Lower Peru", now simply Peru) into a single political and economic entity. Marshal Andrés de Santa Cruz promoted an ambitious project to reunite this two territories on the basis of a confederacy. This integration was based not only on historical, cultural and ethnic reasons, but also on sound economic motives. The union was trying to restore the ancient commercial routes and promote a policy of open markets. As
Upper house passage of the Seventeenth Amendment in 1913. The upper house may be directly elected but in different proportions to the lower house - for example, the Senate of Australia and the United States have a fixed number of elected members from each state, regardless of the population. Many jurisdictions, such as Croatia, Denmark, Estonia, Hungary, Iceland, Iran, Mauritania, New Zealand, Peru, Sweden, Turkey, Venezuela and many Indian states as well as Brazilian states and Canadian provinces, once possessed upper houses but abolished them to adopt unicameral systems. Newfoundland had a Legislative Council prior to joining Canada, as did Ontario when