Apuntes acerca del castellano drecho.

The main aim of this paper is to present the most important historic reasons for which Spanish, since the mid-thirteenth century, became an official language of the Kingdom of Castile and Leon, beating the half century France and England. The effect of the imposition of castellano drecho, a term used by the King Alfonso X is normativization and homogenization of the Old Spanish. [ABSTRACT FROM AUTHOR]