The Spanish American war took place in the year of 1898. One of the leading causes of the war was the blowing up of USS <span>The Maine. In addition, the term yellow journalism used to refer to newspaper stories that may not be true but gain public appeal were growing, and it was causing some exaggeration of stories and Anti-Spanish propaganda. Leading figures of these newspapers are Joseph Pulitzer and William Randolph Hearst. As a result of the war, the US annexed Puerto Rico, Guam, Philippines, and Hawaii. </span>
Britain suffered huge financial losses in French and Indian War. In order to raise revenue Britain increased direct taxation on its North American colonies.
The Monroe Doctrine was successful in keeping the United states out of European affairs because after it was issued there was a decrease in foreign conflict for nearly 100 years until WWI.