The main cause of the civil war in lebanon was
a. economic differences c. geographical barriers
b. religious differences d. no one really knows

The main cause of the civil war in Lebanon was b) religious differences. However, I want to state that this does not wholly encompass the main cause of the civil war in Lebanon. There were many factors which led to the war, but religion was one of them, because the Maronite Christians were generally in power, although a majority of Lebanese were Muslims and these two groups had different ideologies, especially as between the 70's and 90's, many world changes were taking place and the ideas in regards to this between these groups differed.

The answer is new york