Yes, what that person said before me !
The correct answer is agriculture. It was made possible for people to live on a single piece of land and not be nomadic anymore in search of food. Agriculture enabled them to settle around river valleys like Nile or Tigris and Euphrates. This is the era when civilizations started rising worldwide.
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The economic situation in Germany briefly improved between 1924-1929. However, Germany in the 1920s remained politically and economically unstable. The Weimar democracy could not withstand the disastrous Great Depression of 1929. The disaster began in the United States of America, the leading economy in the world.
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Vitamin C can be destroyed by heat and light. High-heat cooking temperatures or prolonged cook times can break down the vitamin. Because it is water-soluble, the vitamin can also seep into cooking liquid and be lost if the liquids are not eaten.
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The peninsula plays a critical geopolitical role in the Arab world due to its vast reserves of oil and natural gas. Before the modern era, it was divided into four distinct regions: Red Sea Coast (Tihamah), Central Plateau (Al-Yamama), Indian Ocean Coast (Hadhramaut) and Persian Gulf Coast (Al-Bahrain).
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