Answer:
This statement "<em>Physical geography examines the culture, political systems, social systems, economic systems, and characteristics of various peoples--why they eat certain foods, practice a chosen religion, or why they select a particular mode of transportation.</em>" is FALSE.
<em>The human and economic geography</em><em> studies the culture, the political systems, social and economic systems.</em>
If you look at the picture below. At the number 1 above you can see Texas in which is located in United States. So mexico is at the bottom of US.
The answer you're looking for is A.1
Conflict was between mexico and spain