What factors contribute to the buildup of the crusades?

By modern standards, medieval Europe was a terrifyingly violent place. Physical force was used to achieve all sorts of ends. Lords used violence to exert their influence over their subjects and to pursue feuds with each other for political and financial gain. Issues of international politics were frequently resolved on the battlefield. When they occurred, wars affected everyone in a region through pillage and slaughter. Banditry was rife.

Explanation:

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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