In term of native american tribes why would north america be much easier to colonize than central america

One of the most crucial factor that make North American tribes is much easier to colonize than the cenral America is the spread of diseases that wiped out a lot of north and south American population.
Other factors would be that during that time, The central American tribes have more advanced defensive technology compared to the northern American

1.the ability to perceive emotions in oneself and others accurately.2.the ability to use emotions to facilitate thinking.3.the ability to understand emotions, emotional language, and the signals conveyed by emotions.4.the ability to manage emotions so as to attain specific goals.