According to norman cantor, what are two ways manorialism influenced the economy of europe?

". . Of necessity, the manor was a self-sufficient economic unit in view of the overwhelming difficulties of transportation in the period. International trade was carried on only to serve the demands of the wealthy, and it was largely in the hands of aliens [different peoples]-Greeks, Jews, Moslems. Local society made almost no use of money. To the extent that local exchange was carried on, it was conducted by barter. The small amount of international trade precluded [ruled out] the need for gold coinage. The Carolingians minted only silver coins, which were all that was usually necessary when the smallest silver coin could buy a cow. When gold coins were needed, Byzantine and Moslem currency was used. . . ."

Source: Norman F. Cantor, The Civilization of the Middle Ages, Harper Perennial

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explanation:

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both eastern and western early north american cultures were known for building wigwams and longhouses.

wigwams, also called wetus, were small houses of 8-10 feet tall, made of wooden frames covered with woven mats and sheets that were used by algonquian indians. similarly,   longhouses were also used by algonquian and the iroquois tribes, and they were built as well with pole frames and elm bark covering. however, the main difference between wigwams and longhouses is that the latter was much larger than the former, with 200 feet long, 20 feet wide, and 20 feet high with inner raised platforms used for sleeping space.