Nico's wife wakes him from his peaceful slumber to tell him she heard a noise. as he slowly gets up to investigate, his heart begins to race, his mouth is dry, and his begin to sweat. clearly his has been activated.

As he slowly gets up to investigate, his heart begins to race, his mouth is dry, and he begins to sweat; his "sympathetic nervous system" has been activated.

The sympathetic nervous system (SNS) is a piece of the autonomic nervous system (ANS), which likewise incorporates the parasympathetic nervous system (PNS).  

The sympathetic nervous system ordinarily capacities to create restricted alterations, (for example, perspiring as a reaction to an expansion in temperature) and reflex modifications of the cardiovascular framework. Under states of pressure, be that as it may, the whole thoughtful sensory system is enacted, delivering a prompt, boundless reaction called the fight or-flight reaction.

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.

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explanation:

you have to combine all of your answers together to

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