There were several important factors that contributed to the ability of europeans to conquer the aztecs and inca, but the most important three were that the Europeans brought guns, germs, and steel weapons.
(C) For the longest time Europeans and other outsiders could not travel into central Africa due to the various disease they were not immune or accustomed to, as it meant almost certain death for anyone not native to the area.
Sweden, Finland, Scandinavian countries such as Denmark-Norway
The right answer I think would be D
