Whenever she has trouble getting motivated to work on the report she's writing about the effects of climate change in her region, amelia reminds herself of the meaning and purpose she has chosen in life. this response best demonstrates:

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.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.

i have to go with a for this one