Los españoles peninsulares que llegaron a Sudamérica para conquistarla se llamaban conquistadores.

They are called "<u>conquistadores</u>" because they conquer a territory that is not theirs. In addition to:
- Conquistador ⇝ <u>Conquistar</u>
<h3><em><u>MissSpanish</u></em></h3>
Answer:
usted
Explanation:
"Tu" is used as an informal pronoun. You would use it with friends or siblings. Usted gives a formal pronoun. You would use it with Mr, Mrs (Senora in this case), and people of higher power than you.