The states that composed the Central American Federation (also referred to as the Federation of the Centre of America) were the states known today as Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua. These areas declared independence from Spain on September 15, 1821. In 1810, the Mexican War of Independence began when Catholic priest Miguel Hidalgo y Costilla proclaimed the Grito de Dolores, which was a call to open revolt. A revolt also broke out among Creole groups in El Salvador in 1811. ... On September 15, 1821, Central America officially gained independence from Spain.
The presence of a mountain range could isolate the gene pool of the species which would likely change or mutate characteristics may arise in the species. <span />