1. First Americans
... only somewhat less dubious, aroused a 20th century backlash, which led to the opinion that New World man was a relatively newcomer. Grounded on solid evidence- fossil bones and tools whose ages could be generally agreed upon, man had not arrived in America until well after the end of the last ice age, when the great ice sheets that once blanketed much of North America had disappeared ... and many of the animals contemporary with them had become extinct. The discovery that began breaking down the official view of man's postglacial sea ... development in Mexico and neighbouring parts of Ce...
- Word Count: 3974
- Approx Pages: 16
- Grade Level: Undergraduate