Nguyen Van Thieu's order for his troops to abandon the Central Highlands and invade North Vietnam was a disaster. Thus the option 3rd is correct.
<h3>Who was Nguyen Van Thieu?</h3>
Nguyen Van Thieu was the president of the South Vietnam who led the Vietnam war. He was also the military officer and was also the general in the Vietnam army.
It was disastrous to order to leave the troops in the Central highlands and invasion of the North Vietnam. Thus the former president led the war of the Vietnam.
Thus the option 3rd is correct.
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The Sumerians invented the first writing system. People needed a way to keep track of business transactions, ownership rights, and government records as Sumerian towns grew into cities. Around 3300 BC, the Sumerians began to keep records on clay tablets with picture symbols.
Cuneiform writing was used to record a wide range of information, including temple activities, commerce, and trade. Cuneiform was also used to record stories, myths, and personal correspondence.
Cuneiform appears to have been invented by the Sumerians for the mundane purpose of keeping accounts and records of business transactions, but it eventually evolved into a full-fledged writing system used for everything from poetry and history to law codes and literature.
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The persian people had to first defeat their rulers,the babylonians