Melinda has always wanted to know about export rates between the U. S. and China. Why is this a good research topic for her? a. Melinda is curious about the topic c. Melinda saw a tv show and thought she could find more information about China b. Melinda’s mother says China exports a lot of goods to the U. S. d. None of these

A

Explanation:

I just took the test

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