The correct answer is <span>They developed math and astronomy to support their religious beliefs.
They used math and astrology to develop calendars that fit their religious beliefs and these were highly advanced for the time and considering their available technology. Based on this they made the famous calendar that predicted the end of the world in 2012.</span>
That they would declare war on japan.
I think the war started at the battle of fort Sumter
The answer would be Shrinking Population
