The fundamental modernization of ribbed groin vaults in Gothic cathedrals was to accommodate stained glass window. The ribbed groin vault is the connection of two or three barrel vaults yields a rib vault or ribbed vault when they are bordered with an armature of piped masonry often engraved in decorative patterns and associate groin vault is an older custom of vault structure.
Rubber trees are a natural resource found in Indonesia and Malaysia.
France had a strong army.
Americans would be stopped in their expansion of manifest destiny.
possible things that contributed and led to the cold war would be the soviet union refusing to become part of the UN for a long time. Truman's dislike of Stalin. Stalin also felt that america and britain were delaying D-Day, causing more Soviet losses in a plot to weaken the Soviet army. Almost sixty times more Soviets died in the war than the Americans. There was american fear of communist attack. USSR's fear of the American's atomic bomb. USSR's dislike of capitalism, etc. the cold war affected the united states because the CW was the United States' preeminent international concern, directing all of the nation's major foreign policy decisions. The United States was guided generally by containment which was to keep communism from spreading, the containment applied to a world divided by the cold War, a struggle between the United States and the Soviet Union.
It could be argued that the "serf" was the "property" of the land during the Middle Ages, since under the feudal system that reigned supreme during this time, serfs (or peasants) had very little rights of their own.