Europe would be in contact with lost knowledge sooner that in reality happened. As the arab nations were more civilized than some others, the cities were preserved and the really important work of the romans would be preserved and enhanced. The gods statues were destroyed and Islam would be the only religion.
Exchanges<span> of plants, animals, diseases and technology transformed </span>European and Native American ways of life. Beginning after Columbus' discovery in 1492 the exchange<span> lasted throughout the years of expansion and discovery. The </span>Columbian Exchange<span> impacted the social and cultural makeup of both sides of the Atlantic.</span>
C. A complete human skeleton
Generally speaking, the countries located in Central Asia became environmental disasters because of the "Soviet Union," since the Soviet Union produces a great amount of products/energy with little regard to the waste that occurs as a byproduct.
The nation that joined the war in 1917 was the United states but not necessarily as part of the allies, rather America had opted to fight Germany, an enemy of the allies, more as an associate ally to protect its own interests.
American went to war to stop German aggression and spread values of democratic freedom and made decisive contributions to the final battles of 1918.
The Americans decided neutrality would not do when German aggression on the high seas went on to such an extent that it threatened U.S. national security, and so the Germans had to be stopped.
