Answer: D
Explanation: rivers were an easy access to the ancient cities inside the fertile crescent, this meant trade was extremely dependent on these rivers
The condition that existed in rome around 100 b.c that contributed to the downfall of the republic was : invasions by neighboring city-states
By this time , the Roman already split into separated territories, making it easier to conquer
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In the ten years following the civil war, a large numbers of former slaves earned a living by becoming "<span>3. Sharecroppers on Southern farms," since their opportunities for advancement were very slim, and moving to the North was often expensive. </span>