What are the claims that foreign policy and domestic policy are two faces of the same coin

In some ways, it's perplexing since they appear to be two distinct pursuits. In another sense, it's a self-evident truth, since you can't do one without the other for very long until either of them succumb to the pressure. I also believe that this is simply an endeavor to compress anything which can be further split.

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

the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'