What event first motivated americans' interest in space exploration? a) the soviet union threatened to bomb the united states. b) school programs began teaching about space exploration. c) nasa was created to aid in space research and exploration. d) the soviet union successfully launched the first satellite, sputnik, into space.

answer; the mercertator creation, is the correct answer to the above question; ///good luck

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