They helped move stuff around to trade and they needed little food and water to survive.
The first one, after the 4th crusade which saw the sacking of Constantinople by the crusaders who had been stranded there waiting for their payment from the emperor of the Byzantine empire, let's just say that the Byzantines weren't big fans of western Europe for a good while, but I could be wrong so wait for other answers :)
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Answer:
When deciding on someone to support in an election you must pay attention to what they say and what they do. Even though they might say they would do something for the country in the future doesn't mean they would actually do it. So look at what they've done in the present and past to determine what they say they will do in the future and pay attention to the way the speak mood and tone always factor into things like that.
Explanation:
