One of wundt's most important contributions to the development of psychology was

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 answer is true!                                          

yes he did writing dots to make the answer

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.