About 13,000 years ago, more than three-fourths of the large Ice Age animals, including woolly mammoths, mastodons, saber-toothed tigers and giant bears, died out. Scientists have debated for years over the cause of the extinction, with both of the major hypotheses — human overhunting and climate change — insufficient to account for the mega die-off.
B- the americas were more focused on colonization within the Americas than trading
The group of colonies that are labelled or characterized by
rugged terrain, rocky soil and harsh weather is the new England colonies. They
are labeled or characterized by this one because they have endured certain
things such as winter and mild summers.