Answer:
the Big brother policy was an extension of the Monroe doctrine formulated by James g Blaine in the 1880s that aimed to Rally Latin American Nations behind us leadership and open their market to us traders Blaine served as secretary of State in 1881 under President James a Garfield.
Population grew significantly mostly due to reproduction, but there was a significant number of immigrants, Scots-Irish and Germans, coast was more wealthy than west.
The most important event was obviously the American Civil War from 1861-1865. This led to the 14th Amendment which defined a citizen as "any person born or naturalized in the US." The 13th Amendment abolished slavery, and the 15th Amendment prohibits denying the right to vote to someone because of their race.
Other key events include the Louisiana Purchase, the Texas Revolution, The Spanish-American War, the War of 1812, the purchase of Alaska, the Mexican Cession, the Indian Wars, and the California Gold Rush.
Like I said, the right to vote was extended to all male citizens by the 15th Amendment. Women were not given the right to vote until the 19th Amendment was passed in 1920.
Answer:
On February 18, 1878, while Tunstall was alone, he was shot and killed by Jesse Evans, William Morton, Frank Baker and Tom Hill, likely under the orders of Dolan. This event sparked the Lincoln County War, one of the best known range wars.