Recent Archaeological Evidence Suggests That the Prehistoric Human Migrations from Asia

Recent archaeological evidence suggests that the prehistoric human migrations from Asia to the Americas

A) possibly began 50,000-25,000 years ago, and some migrants might have used boats to cross the ocean.
B) most likely began 5,000 years ago, and the only possible avenue of travel was the Bering land bridge.
C) required that migrants cross Africa because it had superior conditions in terms of hunting and weather.
D) ultimately resulted in little diversity due to how few migrants managed to make it all the way there.
E) brought migrants to environments that were for the most part highly uniform in terms of terrain and climate.