4x The Louisiana Purchase of 1803 A was a major cause of the Spanish -American War. B resulted in increased conflict between the U.S. and France. C resulted in the removal of all British military forces from North America. D almost doubled the area of the U.S and gave it control of the Mississippi River.

## Step 1<br />The Louisiana Purchase was a significant event in the history of the United States. It was a land acquisition from France in 1803, which almost doubled the size of the United States.<br /><br />## Step 2<br />The Louisiana Purchase was not a cause of the Spanish-American War. The Spanish-American War occurred in 1898, which is much later than the Louisiana Purchase.<br /><br />## Step 3<br />The Louisiana Purchase did not result in increased conflict between the U.S. and France. In fact, the purchase was a peaceful transaction between the two countries.<br /><br />## Step 4<br />The Louisiana Purchase did not result in the removal of all British military forces from North America. The British military forces were removed from North America as a result of the American Revolutionary War, not the Louisiana Purchase.<br /><br />## Step 5<br />The Louisiana Purchase almost doubled the area of the U.S and gave it control of the Mississippi River. This is the correct answer because it is the most accurate description of the effects of the Louisiana Purchase.