Based on source one which statement best explains why the The Louis and Clark expedition was important Thomas Jefferson?

Which statement best explains why the Lewis and Clark expedition was important to Thomas Jefferson Jefferson saw western expansion as an opportunity for both political and economic development of the United States.

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.