The First Crusade: a. weakened Byzantine control over trade in the eastern Mediterranean. b. disrupted the trade routes between Byzantium and western Europe. c. strengthened Byzantine control over trade in the eastern Mediterranean. d. had little impact on Byzantine trade because the Crusaders were primarily motivated by religion, not commercial gain. e. disrupted Byzantine trade along the Silk Road to China.

d. had little impact on Byzantine trade because the Crusaders were primarily motivated by religion, not commercial gain

Explanation:

The First crusade started around 1096 CE and lasted till the year 1099. It was a war of religion mostly fought on the territory of Levant and Anatolia.

It was fought between Christian crusaders and Muslim forces. The main purpose of the war is for the Christian crusaders to capture Jerusalem or Holy Land from Islamic rules and establish Christian states.

Hence, the First crusade "had little impact on Byzantine trade because the Crusaders were primarily motivated by religion, not commercial gain"

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the answer is a, salt plain