How did camels increase trade across geographic barriers of northern africa

germany's government did not have enough money to pay its debts, so it began printing more money, which caused economic problems. germany did not pay off its wwi debts until 2010. germany was also responsible for paying reparations after world war ii.

explanation:

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the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

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