The main reason the Spanish wanted to colonize the Americas was...

Ato learn more about culture
Bto increase wealth and power
Cto find a route to cuba
Dto spread anglican religion

Verified Answer :

the answer is B. to increase wealth and power

While all countries were on voyages to become prosperous & wealthy in trade "Spanish people found America to increase their wealth & power they  conquered America 
Therefore answer is "B" i.e to increase wealth& power

Hope this helps uu