The result of the Mexican American War was the Treaty of Guadalupe Hidalgo in 1848, which stated that Mexico had to give up land to the United States, including Texas. That land now makes up the states of California, Utah and Nevada, as well as parts of Colorado, Wyomin...
Many factors contributed to the beginning of the Civil War, most notably the divisive issue of whether or not slavery would be allowed in the territories of the United States. At the time, the United States was rapidly expanding westward, and the newly-elected President...
The Spanish-American War lasted three months, two weeks and four days in 1898. The conflict centered on Cuba. Journalism scare tactics helped to fuel the war.
The Spanish-American War was triggered by the explosion of the USS Maine, which killed 266 Americans. Political tensions between Spain and the U.S. had been escalating for some time and the explosion was believed to be the result of Spanish sabotage.
The Spanish-American War was the conflict that ended Spain's ruling over the colonies in the Americas. The end of this war also allowed the United States to acquire territories in Latin America and the western Pacific Ocean.
The official start date of World War I was July 28, 1914. This is the date that Austria declared war on Serbia, thus starting the four-year war. This declaration came one month after the assassination of Francis Ferdinand in Sarajevo.
World War I began in 1914. The war was set off by the assassination of Archduke Franz Ferdinand of Austria on June 28, 1914, in Sarajevo. On July 28, 1914, Austria declared war on Serbia, which experts consider the official start of the war.