What were the effects for bubonic plague?

Bubonic plague causes fever, fatigue, shivering, vomiting, headaches, giddiness, intolerance to light, pain in the back and limbs, sleeplessness, apathy, and delirium. It also causes buboes: one or more of the lymph nodes become tender and swollen, usually in the groin or armpits.

Explanation:

the decreasing neutrality of the u. s. in world war i

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