Como fue la transición de un sistema de partido único a lo que es hoy, utilizando estas fechas

one of these is the rhoticity common in most american accents, because in the 17th century, when english was brought to the americas, most english in england was also rhotic.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.