Identify what you consider to be the three most significant political changes in the century preceding the start of World War I. To support your choices, you will need to highlight a minimum two major Western nations and two colonies during this period. In addition to outlining the changes, your descriptions should include details related to economics and the rising political conflicts associated with imperialism, politics, and society. Be sure to include the following points in your essay: Use at least two sources for research. An introduction that engages the reader and clearly presents the essays thesis and a summary of the main points that clarifies your point of view. The organization of the essay should clearly present points arranged logically to support the thesis. The writing should be clearly organized and concise with no spelling, grammatical, or punctuation errors. essay should be at least two pages in length, double-spaced, and use APA style guidelines. The title and reference pages do not count towards the minimum page length requirement.