According to valliant, during young adulthood, individuals become centerd on their career. this stage is known as

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

answer; graduated cylinder;

light has energy and momentum and so the beams are ever so slightly attracted to each if they had mass. they will ever so slightly curve space.

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