How did the conflicts between Iberian and American civilizations forge connections that changed them all

The conflicts between Iberian and American civilizations resulted in a solid Iberian victory, because both Portugal and Spain became the political authorities in the region, replacing the old indigenous political rule.

However, these conflicts also forged a new kind of civilization, ruled by Iberians, but mostly populated by people of mixed iberian-american ancestry. The cultural diffusion and mixture was very strong, and this is why today countries like Brazil, Mexico, or Colombia, are considered to be mestizo or mixed countries.

sumerians were responsible.

the exclusive possession or control of the supply or trade in a commodity or service.