The Monroe Doctrine was an attempt by the United States to delineate what the US would and would not get involved in as a country. In essence, it is a declaration that the US would stay out of land wars in Europe if Europe stayed out of the affairs of the Western hemisphere.
<span>The Moroccan Crisis (1905-1906) was the first crises and was one of the long term causes of World War One. The fight over control of Morocco broke down the trust between the major European Powers. The second crisis was the Bosnian Crisis (1908-1909) and was caused by Austria-Hungary's desire to annex Bosnia-Herzegovina. This crisis led to the assassination of Franz Ferdinand which triggered the breakout of the war. </span>