When seeing a couple warmly kiss and embrace, observers may vicariously experience and mentally simulate the romantic interaction. some researchers would say that the reaction of the observers is partially attributable to the activation of: ?

It is partially attributable to the activation of "mirror neurons".

A mirror neuron is a neuron that flames both when a creature demonstrations and when the creature watches a similar activity performed by another. In this manner, the neuron "reflects" the conduct of alternate, as if the onlooker were itself acting. Such neurons have been seen in primate species.

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; i believe that the correct answer is (decreased)