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: If the living do not examine pas mistakes, in particular with war and hatred, then the ones who died because of these things will have died for no reason.
Explanation:
Margaret Bourke-White understood that the best way to deal with the past is to examine it, learn from it to avoid repeating the atrocities humankind is capable of. This photographs became one of the most well-known of the Holocaust, as it seizes both Nazi inhumanity as well as the force of those who survived forced labor and savageness inside one of the most damaging concentration camps.
Foreign Invasion. A series of foreign invasions affected Mughal Empire very badly. Attacks by Nadir Shah and Ahmad Shah Abdali, which were themselves the consequences of the weakness of the Empire, drained the Empire of its wealth, ruined its trade and industry in the North, and almost destroyed its military power.
C, D, and E were the main 3 reasons the colonists had.
Vatican City is the world smallest country