The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s. People gathered on the docks were met with a horrifying surprise: Most sailors aboard the ships were dead, and those still alive were gravely ill and covered in black boils that oozed blood and pus.
Many of them assimilated and learned the language and started behaving like Europeans because they believed that it was the best thing to do, many even adopted Christianity. On the other hand, they didn't want to lose their identity so they fought. They wanted to live freely according to their laws and didn't want to have their land taken away and for European laws to be imposed upon them. They adopted systems like trading and using money but they tried to stick to their roots.
He understood that there was already a negative opinion of the intervention and since there was a lot of civilians involved, deaths by lethal weapons would not help in building a positive sentiment. That's why non-lethal weapons were used and people didn't hate them for it.
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