True. The Kurdish people are the largest ethnic group in the world. However, they have no country to call their own. The Kurds can be found in Turkey, Iran, Iraq, Syria, and Armenia. They have sought independence and autonomy in each of these countries.
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Answer: C. The Seven Years War
A. The Han revived Confusion learning suppressed by the Qin
The correct answer is that this was the Twenty-First Amendment. This Amendment repealed the 18th Amendment, which introduced Prohibition of Alcohol on the territory of United States.
Sputnik was the first artificial Earth satellite. The Soviet Union launched it into space on 4 October 1957, orbiting for three weeks before its batteries died. It was a sphere with four external radio antennas to broadcast radio pulses. Its radio signal was easily detectable by radio antennas. It was also capable of measuring the thickness and temperature of the high upper atmosphere. The satellite transmission was monitored by radio operators all around the world. It burned up in the atmosphere.