So, I probably shouldn't put this in the 'Answer' section, but first off, Roman, second off, whats the question precisely?
The National Road. The National Road was the first highway built entirely with federal funds. The road was authorized by Congress in 1806 during the Jefferson Administration. Construction began in Cumberland, Maryland in 1811.
When World War I broke out in August 1914, both the Central Powers and the Allied Forces believed that it would be over by Christmas of that year.
One of the most important reasons that the First World War lasted so long was the failure of the Schlieffen Plan. The Schlieffen Plan was an operational plan used by the Germans to take over France and Belgium and carried out in August 1914.
The Vietnam War showed the US people that the US wasn't the mightiest force on planet and that they were prone to losses as they eventually lsot the war. It created an anti-war sentiment and the American generation didn't want to partake in the actual war for that reason.