Una de las causas principales de la disolución de la Gran Colombia fue que cada una de las regiones que la conformaron buscaba su propia autonomía.
The correct answer should be <span>B. feared encroaching European influence
They saw what China went through in its encounter with European forces and they didn't want for the same thing to happen to them. They also wanted to implement imperialistic policies as well and this was common at the time when everyone started spreading.</span>
The second one. Hope this helps
D. Chinese government officials were selected based on their abilities rather than their family history.