According to this lesson, history is the story of people, their and (select all that apply.)
clothing styles
ideas
farming methods
military conflicts
interactions
gods

I think all the choices are correct. Because when you say history it talks about the lifestyle of the people including clothing, farming, conflicts to other countries, etc. It's where we find out about the lives of the people whether they are ordinary or famous. History educates us, it tells us about how they live their lives in the past.

I believe the answer is: ideas, interactions

History would record the ideas that disrupt the society as it used to be. For example, the creation of telescope disrupt the idea that the universe revolve around the sun. Because of this, Gallileo Gallilei earn his spot in historical books.

History also record interractions which have large significance in society. For example, the battle between the axis power and the alliance could be considered as interractions that earned  the spot in history.