According to the website, the Mayan people evolved the only true system native to the Americas.
a.
irrigation
c.
agricultural
b.
writing
d.
government

1. a. sí, conocen a tu amiga maria2. b. sabe

The correct answer is
1. black death

a deadly plague that swept through europe between 1347 and 1351, it killed one third of european population, but the left food supply give chances to survivors for advancement.

and

2. smallpox

an eradicated virus that used to be contagious, disfiguring, and often deadly.

From the answer choices the only one that seems to fit is haran. so, mientras estan en moca, carlos y sofia haran un recuerdo de mundillo.