Answer:In his historic thesis, 'The Significance of the Frontier in American History,' originally presented to a group of fellow historians in Chicago, he argued that as a result of the frontier, American character and society developed differently from European or other known cultures of the time.
Explanation:
pretty sure that the answer is C.it has remains of the great ice sheet.
Answer:
The earliest cities of the Indus River Valley civilization were designed in a grid. in a circular pattern. with protective walls.
Explanation:
The rise in oil, steel, and manufacturing goods
<span>a)groups of militant university and high-school students formed into paramilitary units to help Mao combat his enemies
'learn revolution by making revolution'</span>