The Mayans made striking advances in writing, astronomy, and architecture. Both the Mayans and the Aztecs created highly accurate calendars. The Aztecs adapted earlier pyramid designs to build massive stone temples. The Incas showed great skill in engineering and in managing their huge empire. Aztec education was an important part of their culture. The Aztecs were very advanced scientific thinkers and mathematicians for their time. The Aztec number system was far more advanced than any other cultures at the time. In addition, Aztec science relied heavily on math. Which is why their calendars were highly accurate.
Answer:
He claimed the Frontier Thesis or Turner Thesis and it is is the argument advanced by historian Frederick Jackson Turner in 1893 that American democracy was formed by the American frontier.
A reason is because when it floods it waters all their plants and it's one of their only water sources :)
It took Samuel Adams and his men about 3 hours to dump the tea out of all three ships.
