I want to say that biology is the answer.
you can get an illness that is triggered by stress. That's the simplest way I can explain it.
Answer: they thought black people were worse than white
Explanation: Because they thought that they didnt let them do as much things as white such as incorporeating into something.
It deals with opportunity costs. Opportunity costs are not real costs, but rather the things that you had to give up in order to obtain something else. What you didn't obtain is considered to be an opportunity cost. A production possibility curve deals with this.
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British forces under General William Howe defeated Patriot forces under General George Washington at the Battle of Brooklyn in New York.