Who was the U.S. President that announced the Truman Doctrine in 1947?
Harry Truman
What were Julius and Ethyl Rosenberg accused of?
Spying and passing important information over the the Russians.
Who launched Sputnik?
Russia or USSR
Whose Opa (or grandfather) was Opa Rinecker?
Mrs. Christi Waterman
What two countries (divided along a line) fought against each other in the Korean War, with the U.S. and other nations supporting one side and China and the Soviet Union supporting the other?
North Korea and South Korea (divided at the 38th parallel)
What political and economic system was the U.S. trying to stop from spreading under the Truman Doctrine?
Communism
What is the term for gathering secret information about another country, often used by both the U.S. and Soviet Union during the Cold War?
Espionage
What was the name of the first artificial satellite launched into space, sent up by the Soviet Union in 1957?
Sputnik 1
Scientists from what country were brought to the US during Operation Paperclip?
Germany
What is the name of the heavily guarded strip of land that still separates North and South Korea today, a lasting result of the Korean War armistice?
The DMZ (Demilitarized Zone)
What were the two main superpowers involved in the Cold War?
USA and USSR
Which U.S. Senator led aggressive accusations in the early 1950s that communists had secretly infiltrated the U.S. government?
Joseph McCarthy
What U.S. government agency was created in 1958, partly in response to the Soviet Union's early lead in space, to lead American efforts in space exploration?
NASA (National Aeronautics and Space Administration)
Why was Operation Paperclip controversial?
Because the scientists brought over had worked for the Nazis.
During the brutal fighting at the Chosin Reservoir in the winter of 1950, U.S. Marines radioed for a supply code-named "Tootsie Rolls" — what were they actually asking for?
60mm mortar ammunition (the code name was misunderstood, and the request was mistakenly filled with actual Tootsie Roll candies)
Why do they call it the Cold War and not the Hot War?
Because the U.S. and Soviet Union never fought each other directly in a full-scale war — they competed through other means (like spying, propaganda, and supporting opposing sides in other countries' conflicts).
What term describes the intense fear of communism in the U.S. during this period, which led to people being accused of disloyalty often without solid evidence?
McCarthyism or the Red Scare
Why did the launch of Sputnik worry many Americans in 1957?
It showed that the Soviet Union had advanced rocket technology (which could also be used for missiles). It also showed that the Soviet's were ahead in space and science.
What did Opa Rinecker invent?
He created the silver material that the first space suit was made out of.
When actual Tootsie Roll candies were airdropped to the Marines at Chosin Reservoir instead of ammunition, how did the frozen, starving troops end up using them?
They ate them for quick energy, and also used them to plug bullet holes and patch broken fuel lines and equipment.
What was a dooms town built for?
Atom bomb testing to see what the effects of the heat and explosives would do to buildings and mannequins.
What happened to many people in Hollywood and other industries who were accused of having communist ties during the McCarthy era, even without proof?
They were often blacklisted.
During the 1950s Red Scare, short educational films like "He May Be a Communist" were created for what purpose?
To teach ordinary Americans how to "spot" communists.
Where can we see an example of the space suit Opa Rinecker invented?
The Saint Louis Science Center.
What term describes the Korean War because it never officially ended with a peace treaty, only an armistice (ceasefire) in 1953?
The "Forgotten War" (or a war that remains technically unresolved, since North and South Korea are still technically at war)