(A) Gross Domestic Product (GDP) is your answer.
The GDP takes all the profit a country earns through export, and subtracts it from the imports that the country takes in (To see if there is a profit). It is then divided by the amount of people that lives inside the country, so that they can find the GDP per capita (How much each person is given if all the money is split evenly.) For example, the GDP per capita for the US is almost $60,000.
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The Seventh Crusade was a crusade led by Louis IX of France from 1248 to 1254. Louis' Christian army was defeated by the Ayyubid army led by Fakhr al-Din ibn Shaykh al-Shuyukh and their allies, the Bahriyya Mamluks, led by Faris ad-Din Aktai, Baibars al-Bunduqdari, Qutuz, Aybak and Qalawun.
1791 is when the whiskey rebellion began
The answer to this question is the "Fetterman Massacre". In the year of 1866 under Fetterman massacre by whites, the chief red cloud and along with his warriors massacred and killed a column of total 80 United States soldiers after the event of ambushing them. It was a very bloody event where 80 men are dead.