An opinion is your belief about a topic(i.e politics) an assumption, is what you think about a topic. A fact is common knowledge, like something that was proven by science( the sun is a star)
Chronological order is when one event follows another, particularly in a passage. It can normally be spotted when you can see words like "first" "second" "then" and "last." For example, First I went to the store, then I bought milk, and last, I paid for it. Hope that helps ?^W^?
Answer:
A tree fell onto the road and blocked traffic.