Well, on January 18, 1918, President Woodrow Wilson gave a speech to Congress that outlined Fourteen Points for peace and the end to World War I. Wilson wanted lasting peace and for World War I to be the "war to end all wars." The United States entered World War I on the side of the Allies on April 6, 1917.
Its population has increased
Farming Frontier
-Pioneers moved west through a desire to make their fortune through the farming of previously unfarmed lands – too many people it was regarded as an extremely exciting opportunity, a chance of a new life.
<span>-The attraction of cattle farming encouraged people to move out west.</span>
Answer: It's just a tradition
Explanation: This is just a tradition that President Roosevelt started there really isn't much to it besides it is a tradition. Even Donald Trump nowadays does it and keeps the tradition going. Hope this helps. ;)
This shows that they were very clever to make a stone wall. This makes trying to bring down the wall harder most likely make enemy think not to attack them.