In 1909 the national association for the advancement of colored people was founded by african-american activist w. e.b. dubois and a group of jewish americans. why did jewish americans historically ally themselves politically with african americans?

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