What were some of the effects of the spanish conquest of central and south America?

The Spanish conquests brought European civilization and science to the relatively less-advanced tribes of North and South America. The effects included:

-- the disruption of the existing societies

-- looting of gold jewels, and valuables

-- the exploitation or enslavement of tribes

-- the reintroduction of horses into North America, adopted by Amerindian tribes

-- the introduction of the Catholic faith by missionaries

-- the widespread use of the Spanish language in Latin America