Answer:
Mexico.
Explanation:
Present-day Mexico was the geographic environment where the Olmec, the Maya and the Aztec civilizations were born and developed, reaching power, influence and expanded. Each of them also made great cultural contributions such as calendars, the concept of zero in mathematics, astronomic observations, agricultural techniques, splendid architecture, etc.
Ohio, Indiana, Illinois, Michigan, Wisconsin, and part of Minnesota
That the Schlieffen plan failed, The French were unable to defeat the Germans completely at the Battle of the Marne.
