Answer:
The release of two atomic bombs on Japan in August 1945 helped end World War II but ushered in the Cold War,
Explanation:
a conflict between the United States and the Soviet Union that dragged on nearly half a century.
Answer: Qin Dynasty
Explanation:
The Great Wall of China's history began in the Spring and Autumn Period (770–476 BC), was first completed in the Qin Dynasty (221–206 BC), and was last rebuilt as a defense in the Ming Dynasty (1368–1644).
Old Faithful geyser in Yellowstone
It happened in 1828 . i hope i am right and hope this helps
