How did the wise man in the mythology know fireworks and red lanterns would scare Nian away?

I can make an inference with my prior knowledge. Chinese people use fireworks for Chinese NewYear and fireworks are for special occasions like July 4.So now I know that Chinese New Year is a really special occasions for Chinese people

What is the next year animal for 2014

In the next year what will be the animal for the year 2014 and what traits will it be

I just leaned a new word called significant. It means important. So when I speak instead of saying important I will say significant.

I read about Rosa Parks and she made a difference to help stop segregation with Dr.King. She made a difference when she didn't give up her seat on the bus.

I learned that Jackie Robinson was prowess even though he the first Africa American to play baseball.

Rosa Parks,Harriet Tubman,Jackie Robinson,and Martin Luther King are 4 people who stood up for African Americans and stopped segregation.THEY ARE THE BEST

Why would that be helpful?