Which of the following was a major accomplishment of romans in the field of transportation and them to maintain their vast empire?

I believe that The Romans are known for their remarkable engineering feats,  Their constructions, many of them still standing, are a testament to their superior engineering skills and  improving the daily lives of Romans and helping Rome maintain its  trade, and to maintain control over the Empire's vast territories.

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answer; (c) on the left side; ; ; ; ; ; ; ; ; ; ; ; ; speech is localized on the left side of the brain;

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.