Current land-use trends in Latin America include both traditional (cattle ranching, shifting agriculture) and emerging (GMC-based modern agriculture, biofuels) threats, as well as new opportunities derived from ecological transition processes and population urbanization.
The answer is gonna be B. Characteristics
There are limited amounts of resources in a general area. Some civilizations may not have the ability to produce resources that they need. That makes 2 routes:
1) cooperation: They can cooperate with another people group that lives in a different region and trade with them
2) conflict: They can attack/raid another people group in a different region for the resources
hope this helps
