What was the main purpose of the calpulli? to control land to fight battles to hunt animals to lead worship.

The main purpose was to control the use of the lands to cultivate

Explanation:

byzantine empire is the answer i think you are looking for.

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(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity