Answer:
Spanish is spoken throughout Central and South America because these are the regions colonized by Spain after Columbus discovered the New World. The colonists and conquistadors brought the Spanish language with them as they conquered the local populations and established their rule in the area
Step-by-step explanation:
We know that colonisers/conquerors/invaders brought Spanish and Portuguese to South America, as well as English, French, Dutch, German and a number of other European languages. Where linguists differ, however, is on the origins of the indigenous languages of South America