Answer:
140,000 Pennsylvania coal miners went on strike demanding a 20% raise,a nine hour workday,and the right to organize a union.
Lincoln said that the unjust act of slavery was a cause of the civil war
Answer: It is probable that the Mongols and merchant caravans that were poorly quarantined and underreported by the Mongol government inadvertently brought the plague from central Asia to the Middle East and Europe. The plague was reported in the trading cities of Constantinople and Trebizond in 1344.
Explanation:
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