Iwill give plz !

how did the defeat of the aztec and incan empires enrich the spanish monarchy?

a.
spain began to levy heavy taxes on its american colonists.

b.
spain sold its lands in the americas to other european countries.

c.
the monarchy received a portion of all treasures taken by the conquistadors.

d.
spain took control of the slave trade between africa and the americas.

if i don't get these questions completed then i do not get to go to tennis,