Answer:
trading between city-states
Explanation:
food surpluses were high and they could trade.
African Americans suffered a disproportionate share of combat deaths
Throughout most of China's history it was ruled by powerful families called dynasties. The first dynasty was the Shang and the last was the Qing. Ancient China also boasts the longest lasting empire in history. It began with the Qin dynasty and the first emperor Qin who united all of China under one rule in 221 BC.
<span>it was called to regulated European colonization and trade in Africa during the New Imperialism period, and coincided with Germany's sudden emergence as an imperial power.</span>