What is the primary contrast in demographic trends between Afroeurasia and the Americas between 1400-1800? * A: The population of the Americas increased rapidly, while that of Afroeurasia decreased slightly.
B: Afroeurasian population generally increased, while the Americas decreased drastically
C: Afroeurasian and American populations remained relatively stable each growing steadily.
D: Afroeurasian and American populations both suffered catastrophic decline.