The Roman legions, which were columns of roughly five-thousand men a piece, were greatly beneficial to the Romans because they were able to maneuver more freely around enemy forces, which were usually condensed into a single unit.
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Answer:
todo está en wikipedia solo busca la era de Rivada, ¡espero que esto te ayude!
In many ways cuz it so old and vague fr no cap
It was used as an engine in locomotive trains, & also in steam boats. it also helped create electricity which allowed things such as morse code & synchronization of the world’s clocks.