The Aztec were once , but they founded a city by a lake. A. merchants B. maurauders C. nomads D. crusaders

C. nomads

Explanation:

The Aztecs, who probably originated as a nomadic tribe in northern Mexico, arrived in Mesoamerica around the beginning of the 13th century.

A nomad is a member of a community without fixed habitation which regularly moves to and from the same areas.

answer; biological;

george bush's second presidential term from 2005-2009 began with hurricane katrina devastating the gulf coast region of the united states in august 2005, causing approximately 1,800 deaths and billions of dollars in damages.

the correct answer is: hurricane katrina.