Answer:
Some 13,000 years ago, small bands of Stone Age hunters walked across a land bridge between eastern Siberia and western Alaska, eventually making their way down an ice-free inland corridor into the heart of North America.
Explanation:
Hope this helps :)
They had to reinvent their economy because General Shermans tactic of total war. when he did total war, he marched from the north all the way to Atlanta, Georgia and destroyed anything that couldn't be used as food or supplies. so they had to reinvent their economy because the south was totally destroyed
True. It was the first written constitution