<span>b. the Germans’ use of unrestricted submarine warfare-because the Germans sank many of America's non-military ships using submarines</span>
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It is perhaps surprising to learn that the Roman Empire is only around the 28th largest in history. It punches above its weight in terms of influence. Its sheer physical size shouldn’t be underestimated, however. It grew to around 1.93 million square miles, containing about 21 per cent of the world’s population (by an estimate) at its greatest extent in the early second century.
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Answer: innovations
Culture is the all the practices and traditions shared by a certain society. Culture differs from one society to another. . Culture is passed through from one generation to another. Every society has a different set of values, symbolization, religion and perception on how they see things.There is nothing right or wrong about culture because it is diversity among different societies.
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