Answer: coffeehouses.
Explanation: This was an establishment that became popular gathering places in the eighteenth century in which the cities where full of merchants, captains, and traders and they discuss about new adventures and they keep up with the most recent events in those cities.
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The fall of the Berlin Wall in 1989, and the dissolution of the Soviet Union in 1991
Hernando Cortes was able to perform the conquest of the Aztecs mainly because of the support (tactical and military) from some of tribes that were under the rule of the Aztecs. Because multiple tribes were not happy by being under the rule of the Aztecs and even less pleased by how were they treated by them, they saw a chance to liberate themselves when the Spanish arrived, so they helped them in the conquest. Unfortunately for the local tribes, it turned out that they did not gained liberation, but instead were just under the rule of another force once the Aztec Empire fell and the Spanish one took over.
The Constitutional Convention is your answer.
It was the Mayflower Compact that was written around 1620