When did construction begin on the 4 lane interstate highway system?

Construction on the Interstate Highway System began in 1956, with the first section being opened in 1957. The system was largely completed by 1975, although some sections were not finished until the 1990s.

When did construction begin on the 4-lane highway system?

In what ways was the development of monopolies in late nineteenth century beneficial to U.S. economy?

The day the US planned to detonate an atomic bomb on the Moon
During the years of the Cold War, from the end of World War II to the fall of the Berlin Wall, any one-time event in the USA or the USSR was susceptible to being misinterpreted and generating a new war on a global level – such as the Mistranslation of the words of the Soviet leader Nikita Khrushchev
Thomas Dewey, mobster hunter and protagonist of a historical headline
The movie The Untouchables by Eliot Ness tells the story of the man who against all odds got the gangster Americas most famous man, Al Capone, will end his days in Alcatraz prison. But there was another man who spent years in New York persecuting organized crime, who also managed to put several of
Bush Doctrine
The Bush Doctrine was an American foreign policy guideline established by US President George W. Bush in 2002. This ideology favored preventive war, the fight against terrorism and the free movement of capital. It also declared three countries as members of the Axis of Evil:Iraq, Iran and North Ko
Why did US soldiers kill their own officers in Vietnam?
During the Vietnam War , between 1964 and 1975, a curious and dangerous phenomenon occurred within the US Army... the so-called Fragging (act of attacking a superior in the chain of command with the intention of frightening or killing him, usually using fragmentation grenades; hence its name). The u