What was more likely used as propaganda by the colonists?

Explanation:

The Boston Massacre was an incident used as the main propaganda piece against the British Empire. The shooting of five people in Boston was made political and made known to everyone in the colonies by delivering propaganda pieces to towns and homes and that sparked the flames that will later grow into a revolution.

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.

they can increase to boost the enonomy.