Answer this simple question ! (reporting if incorrect)

1) Defeat by Greece in the Pyrrhic War caused the fall of Roman Empire

Hope this helps!

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.