1882 was the year the Chinese exclusion act was passed
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The Crusaders attack the northern part of Jerusalem because it was the closest part of the destination to them, and to achieve 'surprise', it must be quick, and so they couldn't wait out a siege... hope this helps
The US reported 58 220 American casualties in the Vietnam war, although it may be higher. The causalities of North Vietnamese and Vietcong troops definitely exceed more than American casualties.