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Which number on the map indicates the farthest reaches of alexander conquests?

Question 14 of 27 1 point what happened at the battle of yorktown? a. prussian baron friedrich von steuben trained washington's troops. b. general washington's troops crossed the delaware and surprised a troop of hessians. c. general washington's troops struggled to survive a cold winter. d. british general cornwallis surrendered to general washington

Geographical features such as mountains and rivers allowed the ancient civilizations of india and china to flourish. which two statements support this idea?