The map shows the Mexican Cession, this is, the U.S. purchase of territories from Mexico to the West as agreed in the Treaty of Guadalupe-Hidalgo, in 1848, the year after the end of the Mexican-American War of 1846 -1847. An additional territory called La Mesilla (south of Arizona and New Mexico) was purchased in 1853.
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Explanation:
Thomas Jennings, born in 1791 is believed to have been the first African American inventor to receive a patent for an invention. He was 30 years old when he was granted a patent for a dry-cleaning process Jennings was a free tradesman and operated a dry-cleaning business in New York City.
Answer: When a country is developing and becomes stronger it starts to thrive for power and when a country wants power it starts to take over and expand when a country becomes so large and has so much power that it does not know what to do with it is in the best interest to spread out into a nation of the same empire but ran by different people so that they can maintain the control of their growing nation