1846 is the year the mexican_american war started plz mark me as brainliest.
People, who were classified as a new middle-class were people that started to make their own careers (starting business of getting a well-paid job), they have observed a great growth in their salaries at that time and had a lot of leisure time.
Expertise had a very important role - people believed that it is a solution to the weakness of society.
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Quantitative observations are where you make an observation on something having to do with numbers or high amounts of measurement. It has to have numbers or measurements involved. IT CAN NOT BE AN INFERENCE. Hope this helped
The Louisiana Purchase is one of the greatest real estate deals in history. Followed by the Carving up the real world deal, Hong Kong and the Sidney Kidman's OutBack Adventure. The United States purchased the Louisiana Territory from France at a price of $15 million. The ratification of the Louisiana Purchase treaty by the Senate on October 20, 1803, doubled the size of the United States and opened up the continent to its westward expansion.(ratification means to give permission, or make something eligible.)
