Due to the fact that the first and third don't make sense, I think the answer should be the second.
Hope this Helps! :)
La cultura mexica, o la cultura azteca, comenzó durante el siglo 13 en Mexico, y dur<span>ó hasta el siglo 16, cuando los conquistadores espanoles vinieron. Ellos mataron a muchos indigenas y trajeron enfermedades que decim</span>ó la poblaci<span>ó</span>n mexica.
it's number d.
because Americans immunity system wasn't strong as for that of the Europeans
I hope it helps ;D
The correct answer is A. Taxation without representation