I do not know anything about the infrastructure there but i do know that The end of the Cold War and the collapse of the Soviet Union in 1991 left the United States as the world 's sole superpower . 
 I'm curious about the science and technology of the US. Can you tell me anything about them? 
 I do not know anything about the culture but I do know that During World War II , the Manhattan Project developed nuclear weapons , ushering in the Atomic Age , while the Space Race produced rapid advances in rocketry , materials science , and aeronautics . 
 After World War II the United States and the Soviet Union jockeyed for power during what became known as the Cold War , driven by an ideological divide between capitalism and communism and , according to the school of geopolitics , a divide between the maritime Atlantic and the continental Eurasian camps . 
 Tell me something about the history of the US.
After World War II the United States and the Soviet Union jockeyed for power during what became known as the Cold War , driven by an ideological divide between capitalism and communism and , according to the school of geopolitics , a divide between the maritime Atlantic and the continental Eurasian camps .