What impact did the crusades have on the feudal system?

D. They weakened feudalism since many nobles were killed or lost their wealth and fortunes.

Explanation:

There was a decline in the system of feudalism, too, as many nobles sold their lands to fund their travels, freeing their serfs in the process. The conquest of the Muslim-held territories in southern Italy, Sicily, and the Iberian peninsula gave access to new knowledge, the so-called 'New Logic'.

Explanation:

a. bacon

hes known as the father of   empiricism this concluding my reasonining im not 100% sure tho so only do it if u trust me ; c

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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