Explanation:

  When Americans are asked about wars that the United States fought in during the 1800s, they often think of the Civil War. The Civil War was the war in which Americans fought each other, with northern states fighting against southern states. But there were three other important wars in the 1800s. These were the War of 1812, the Mexican-American War, and the Spanish-American War.

  The War of 1812 is often called the forgotten war because few people remember it well or know very much about it. The War of 1812 lasted (or continued) from 1812 to 1815 while the United States fought against Great Britain, Ireland, and its colonies (or areas of land belonging to those countries) in what is now Canada. One of the causes of the war (or one of the reasons why the war happened) was that Americans were upset (or angry) about Great Britain’s way of trading (or buying and selling things internationally). Another reason was that Americans thought that the British government was helping Native Americans fight against the Americans who wanted their land. More than 2,000 American soldiers (or people who fought in the war) died.

  The Mexican-American War was fought from 1846 to 1848. This war started after Texas seceded from Mexico (or stopped being a part of Mexico) and became part of the United States. Mexico didn’t want this to happen and fought to get back the area, or to have it returned to Mexico. The treaty (or international agreement) that was signed at the end of the war gave the United States all of Texas, as well as a lot of other land, which includes all of California, Nevada, and Utah.

  Finally, the Spanish-American War was a short war fought for four months in 1898 between the United States and Spain. When the war began, Cuba belonged to Spain and Americans wanted to help Cuba become independent (or free). The United States won quickly. The treaty that ended the war gave the United States control of Guam, the Philippines, and Puerto Rico.

 

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