Answer:
Primary Source can be talking to a particpated person in government inform you and secondary source can be studying how history can change, being passed down.
Step-by-step explanation:
A primary source is first hand. Ex: I experienced the Vietnam War. I tell people about the Vietnam War. its a primary source because it was first hand.The information was given to me first.
A secondary source is second hand. information passed down ,usually the second time. Ex: My friend who had experienced the Vietnam War himself ,told me about the enemies troops.
Hope this helps!!