<span>C. They could resupply their troops much easier than the Germans could.
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The agricultural revolution caused mortality rates to plummet and population to dramatically increase. Due to the surplus of food, the amount of deaths decreased and this allowed people to live for a longer amount of time and have more children to feed.
<span>The answer is The Gold Rush brought treasure seekers, Silver discoveries, entrepreneurs of the banking industry, with the founding of Wells Fargo, development of the Port of San Francisco and the establishment in 1869 of overland access to the eastern U.S. rail system via the newly completed Pacific Railroad helped make the Bay Area a center for trade, immigrant laborers, as the population grew so did the businesses catering to the needs and tastes of the growing population.</span>
She is <span>enthusiastic. I hope this helps. :)</span>