Egyptians advancements were helpful because their knowledge of astronomy helped farmers to consider the time and seasons. And the mathematics portion helped with measurements of time for a calendar.
Answer: The central powers alliance one the war
Explanation:
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The correct answer: Break Islamic rule
<span>The pre-condition which had to be accomplished on the iberian peninsula before portugal and spain could unify internally as nations is to break Islamic rule. It is so because most of the iberian is controlled by the Moors, an Islamic people who conquered most of Spain and Portugal. Without the Moors removed, the rulers of both Spain and Portugal are nothing more than usurpers to power, guerillas if you will.</span>
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