Question: The American professor Robert H. Goddard had worked on developing solid-fuel rockets since 1914, and demonstrated a light battlefield rocket to the US Army Signal Corps only five days before the signing of the armistice that ended World War I. He also started developing liquid-fueled rockets in 1921; yet he had not been taken seriously by the public, and was not sponsored by the government as part of the post-WW II rocket development effort. Von Braun, himself inspired by Goddard's work, was bemused by this when debriefed by his American handlers, asking them, "Why didn't you just ask Dr. Goddard?"[citation needed]
Is there an answer to this question: Liquid-fueled rockets were developed in what year?

Answer: 1921


Question: The islands have been shaped by numerous glaciations during the Quaternary Period, the most recent being the Devensian.[citation needed] As this ended, the central Irish Sea was deglaciated and the English Channel flooded, with sea levels rising to current levels some 4,000 to 5,000 years ago, leaving the British Isles in their current form. Whether or not there was a land bridge between Great Britain and Ireland at this time is somewhat disputed, though there was certainly a single ice sheet covering the entire sea.
Is there an answer to this question: Multiple sheets and layers of what covered the entire sea?

Answer: unanswerable


Question: After secretly crossing the Yalu River on 19 October, the PVA 13th Army Group launched the First Phase Offensive on 25 October, attacking the advancing UN forces near the Sino-Korean border. This military decision made solely by China changed the attitude of the Soviet Union. Twelve days after Chinese troops entered the war, Stalin allowed the Soviet Air Force to provide air cover, and supported more aid to China. After decimating the ROK II Corps at the Battle of Onjong, the first confrontation between Chinese and U.S. military occurred on 1 November 1950; deep in North Korea, thousands of soldiers from the PVA 39th Army encircled and attacked the U.S. 8th Cavalry Regiment with three-prong assaults—from the north, northwest, and west—and overran the defensive position flanks in the Battle of Unsan. The surprise assault resulted in the UN forces retreating back to the Ch'ongch'on River, while the Chinese unexpectedly disappeared into mountain hideouts following victory. It is unclear why the Chinese did not press the attack and follow up their victory.
Is there an answer to this question: When did the Chinese and US military have their first confrontation in Korea?

Answer: 1 November 1950


Question: The 2009 Human Rights Report by the United States Department of State noted that human rights in CAR were poor and expressed concerns over numerous government abuses. The U.S. State Department alleged that major human rights abuses such as extrajudicial executions by security forces, torture, beatings and rape of suspects and prisoners occurred with impunity. It also alleged harsh and life-threatening conditions in prisons and detention centers, arbitrary arrest, prolonged pretrial detention and denial of a fair trial, restrictions on freedom of movement, official corruption, and restrictions on workers' rights.
Is there an answer to this question: What actions did CAR mention that happened with impunity?

Answer:
unanswerable