I would say D: The theory that Africa and India should be one continent be cause they don't even connect.
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.
Answer:
Voltaire believed above all in the efficacy of reason. He believed social progress could be achieved through reason and that no authority—religious or political or otherwise—should be immune to challenge by reason. He emphasized in his work the importance of tolerance, especially religious tolerance.
Role In: Enlightenment
Born: November 21, 1694 Paris France
Explanation:
1. disease brought by colonists was a major factor. Kills millions
2. violent conflicts between the colonists and/or British forces against the natives
3. The westward expansion (there's a special name for it) Colonists kept colonizing deeper and deeper into the mainland until reaching the western sea coast. killing 10's of thousands on the way there
*millions died, possible around 10 mill
D would be the correct answer