Between 1809 and 1830 Latin America attained their independence fom the Spanish and the Portugese empires.
They adopted a repubican form of government inspired by the 1787 Federal constitution of U.S.A, adopted presidentialism.

Yet, this adoption was noot sudden and immediate neither was it exempt from national nuances and variations. There was also frequent experimentations to the system.
The republican and the presidential government of U. enjoyed considerable prestige among the fathers of Latin American constituitions who admired their neighbour, North America not only because of it's political sucess, but also it's economic progress and the presidential system was adopted by almost all Latin American countries. The intouction of Presidentialism