Spain wanted to spread Catholisism and convert the Native Americans.
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The Nazis began experimenting with poison gas for the purpose of mass murder in late 1939 with the killing of patients with mental and physical disabilities in the Euthanasia Program.
Answer:
War of 1812, (June 18, 1812–February 17, 1815), conflict fought between the United States and Great Britain over British violations of U.S. maritime rights. It ended with the exchange of ratifications of the Treaty of Ghent.
