How did conflicts in society lead to independence for Spain’s colonies and cause unrest afterward?

Napolian/unrest. The Spanish American wars of independence were the numerous wars against Spanish rule in ... A more direct cause of the Spanish American wars of independence were the unique developments occurring ... empire shifted from "kingdoms" with independent standing with the crown to "colonies" subordinate to Spain.

Explanation:

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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.