Final answer:
The regular flooding of the Nile River caused the ancient Egyptians to invent technologies and systems for managing the floods and harnessing the benefits. They developed irrigation canals, di_k_es, and basins, as well as a calendar based on the flooding.
Step-by-step explanation:
The regular flooding of the Nile River caused the ancient Egyptians to invent several important technologies and systems to manage the flooding and harness its benefits for agriculture. They developed a sophisticated system of irrigation canals, d_ik_es, and basins to control the floodwaters and distribute them to their fields. They also developed a calendar based on the annual flooding, which helped them track the passage of time and plan their agricultural activities.