Mount Lebanon was a province in Lebanon during the ottoman period, the French expanded it to become Lebanon. Currently, Mount Lebanon is one of 6 governorates of Lebanon, and is situated in the middle.
It's a beautiful mediterranean country, unfortunately though, neighbors have always wanted a piece of that tiny beauty and that have always caused trouble for Lebanon and the Lebanese. Also this...
As a quick answer, I would say: potatoes, apples, olives, grapes, tomatoes, and most kind of fruits and vegetables of different seasons and geographical terrains.