Janine completed several tours of duty in Afghanistan. She suffers from PTSD. Now, back home in Texas, she is frightened by firecrackers and cars backfiring. The fact that these sounds scare her reflects a process of stimulus:

generalization            

Explanation:

Stimulus generalization: In psychology, the term "stimulus generalization" is determined as one of the concepts associated with the conditioning theory. Stimulus generalization referred to as the propensity of a particular conditioned stimulus to give rise to a familiar response once a specific response had already been conditioned.

In the question above, the fact that these sounds scare Janine reflects a process of stimulus generalization.

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.

a photo collage of women at work during world war 2