The Cradle of Civilization
The Sumerians, who inhabited southern Mesopotamia from 4500 to 1900 BC, are credited with creating one of the world's first civilizations. They developed advanced systems of irrigation, enabling them to cultivate crops in an arid region. This agricultural surplus allowed for the growth of densely populated city-states. ( 1 ), the Sumerians invented cuneiform, one of the earliest known systems of writing, which they used to record laws, trade transactions, and myths.
Despite their innovations, the Sumerians faced significant challenges. The region was prone to frequent flooding, which was often unpredictable and destructive. To mitigate this, they constructed complex levees and canals. ( 2 ), the salinization of the soil due to over-irrigation eventually led to declining agricultural yields, contributing to the shift of power to the north.
Q1空欄 (1) に入る語として最も適切なものを選択せよ
Q2空欄 (2) に入る語として最も適切なものを選択せよ
The Cradle of Civilization
The Sumerians, who inhabited southern Mesopotamia from 4500 to 1900 BC, are credited with creating one of the world's first civilizations. They developed advanced systems of irrigation, enabling them to cultivate crops in an arid region. This agricultural surplus allowed for the growth of densely populated city-states. ( 1 ), the Sumerians invented cuneiform, one of the earliest known systems of writing, which they used to record laws, trade transactions, and myths.
Despite their innovations, the Sumerians faced significant challenges. The region was prone to frequent flooding, which was often unpredictable and destructive. To mitigate this, they constructed complex levees and canals. ( 2 ), the salinization of the soil due to over-irrigation eventually led to declining agricultural yields, contributing to the shift of power to the north.
Q1空欄 (1) に入る語として最も適切なものを選択せよ
Q2空欄 (2) に入る語として最も適切なものを選択せよ