The Southern Colonies were mostly plains with warmer climate and rich fertile soil suitable for cash crop farming. The Northern Colonies were settled mainly for reasons of religious and political freedom. The Northern Colonies economic activity was based on manufacturing and trade.
The calendar are different in that the Aztec calendar have 20-days in a month and 19-months in a year, but the calendar we use today has 28-29-31 day in a month and 12-months in a
year.The calendars are alike because they both tell the what day it is, and are used for the purposes of marking days,months and years.
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The answer is A, C & D make no sense. B is not wrong, but A is the better answer.