The american journalist walter lippmann stated that "the real environment is altogether too big, too complex, and too fleeting, for direct acquaintance. we have to reconstruct it on a simpler model before we can manage with it." by a "simpler model," he is referring to:

By a "simpler model," he is referring to (a pseudo-environment).

Explanation:

the pseudo-environment is a person's mental picture of the world

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; cindy crawford tina feycarrie underwood///meryl streep;