When the Industrial Revolution was at its peak, factories were rather high-paying job. So, when people wanted to earn more money, factories were mostly in the north. So people migrated to the north.
It goes by the number of people who are eligible for and actually claiming unemployment benefits.
He was referring to the American citizens that didn’t participate in the protests against the Vietnam War
To serve as president, one must: be a natural-born U.S. citizen of the United States; be at least 35 years old; be a resident in the United States for at least 14 years.
The banknote (also known as paper money or note) was one of them. Marco Polo was particularly surprised when he first encountered it. Banknotes were not made out of paper, but out of the bark of the mulberry tree. Other products or inventions included the compass, the gunpowder and the printing.
