The two ideas of total war was used because the countries against each other where angry with each other and It was one of the deadliest conflicts in history and precipitated major political change, including the Revolutions of 1917–1923 in many of the nations involved. Unresolved rivalries at the end of the conflict contributed to the start of the Second World War twenty-one years later. They wanted to end conflict. The second reason was that each country wanted more power. It was a "war to end all wars" But it never ended all wars since World War II Came around the corner twenty-one years later.
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During the 19th century, America had a strong reluctance to become involved in other countries alliances and affairs. Isolationists in America argued that the US had a different philosophy than European countries and the US should defend freedom and democracy by not being involved in such things.
During the Spanish-American War, the US remained isolated and the country fought the war without alliances and without fighting in Europe. But the mindset started to change since the motto of freedom and democracy was substituted by the US bringing an empire in the Caribbean and in the Pacific - the US had influence in the Phillippines, Puerto Rico and Guam -.
President Roosevelt had the big stick policy, he believed that the US should export its values and become a global power. At the same time, he defended that the US should avoid conflicts. President Roosevelt ended the isolationism in the US and started the modern American philosophy of acting aggressively in foreign affairs even without the support of the Congress.
Even though we all have our own opinions why, we're agreed that Aphra Behn was one of the first feminist authors.
Hope this helps!
-Payshence
In order to avoid problems with the Native Americans, the federal governments decided to gradually assimilate the native population into the American society.
There were multiple actions taken to accomplish the assimilation.
The Native Americans were granted all the rights as the other people, which enabled them to constantly communicate with everyone else, to get familiar with the culture, and get exposed to the culture, eventually accepting it.
Also, all the Native American children were obliged to visit school and get educated. The education was on English language, and the children were mixing from early age with children of the other ethnic groups, thus becoming Americanized from very early age.
They were allowed and motivated to work in the places were everyone else was working, which led to further assimilation, as the majority of the people were not Native Americans, so in order to fit in they had to merge into their culture.