When the moderator asks a question, take notes of each candidates answer.
I'd also take notes of their opening and closing speeches as well as mannerisms throughout the debate.
Multiple choice? But the answer would be a scale of any sort.
The one that caused serious conflict among various groups of the people in the west is : D. Mining
Back then, finding a land filled with valuable gold and metals is the fastest way to a rich and extravagant lives since back then the one who own the mine is the one who find it. But often time, the greed forced people to hurt each other for the sake of mining location's ownership
hope this helps
The answer is C, Irrigation Canals.