I think A)People had more time for face to face contact
Feudalism declined during the Crusades because B. many knights lost their lives and fortunes in battle.
<h3>What is Feudalism?</h3>
This refers to the system of land ownership where a lord gives out land to his faithful vassal, as reward for work.
Hence, we can see that this system declined during the Crusades primarily because there was a great loss of life by the knights in the bitter battle that ensued.
Read more about feudalism here:
brainly.com/question/3143141
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Answer:
there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away. ... America began producing more steel than England.
