Answer:
During the crusade, Frederick I, Holy Roman Emperor, had almost besieged Constantinople because of the failure of the Byzantines to provide him with safe passage across the Dardanelles. The Byzantines for their part suspected him of conspiring with the breakaway Byzantine provinces of Serbia and Bulgaria.
Explanation:
the answer is b, a lot of people loved rnb so there hope this helps.
Answer:
Torengebouw van Antwerpen
Explanation:
in europe