During which time period did union membership among government workers, women, african americans, and hispanics increase? a. 1930s b. 1940s c. 1960s and 1970s d. 1990s

It's C. 1960's and 1970's

took the test

Explanation:

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

where is the map so i can