There was a fire on the mountains in September. The purpose is to personify the situation
The Mongols spread the use of gunpowder.The Mongols controlled both China and Russia.<span>Pax Mongolica encouraged trade along the Silk Road. I would say these are the main effects of the Mongol incursion into Europe and Asia plus the inadvertent introduction of the bubonic plague of infected rats from Asia to Europe.</span>
'Apace' basically means with great speed, rapid movement, etc. Since you didn't include the passage, it's up to you to apply the definition in the context given.
Hopefully, this helps! =)
An example of an incorrect way of writing a date is A. 2014, January 25
It is wrong because of the presence of comma. There should be no comma after the year.
The correct forms of writing a date are the following:
Month/day/year : January 25, 2014
Day/month/year : 25 January 2014
ISO standard of year-month-day : 2014-01-25
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At the rising action. Or the "Conflict" on a plot scale.