Compare the ideals of the 1920's with today.

In the 1920s people were more optimistic about the future because the economy was growing very fast, many people were enjoying new amenities like a vaccuum cleaner or going to the cinema for the first time, and credit was cheap, including mortgages. Nowadays, people are more pesimistic due to recent economic crisis, stagnation of income for many people, and rising inequality.

In the 1920s, people were also much more socially conservative, to the point that during most of the decade, the sale of alcohol was prohibitied. Nowadays, most people are less conservative and more liberal compared with the 1920s past, being more empathetic towards alternative lifestyles, and diverging opinions.

answer would be b, a tariffs main purpose is to protect domestic production and jobs.

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.