Romans believed that as long as Carthage existed it would always pose a threat because if you defeat them and don't destroy them they will just rise again and want to defeat Rome again so they decided that it was necessary to completely wipe them off the face of Earth, which is what happened in the end, as you can see since there's no Carthage any more.
Russia is a harshly cold place that is one factor and another is Napoleon didn't take enough supplies for his soldiers so most of them either died of starvation or hypothermia. Hope that helped
I believe it's 4- Rich farmlands were found here.T<span>hey wanted to explore new land and get more resources.
Hope this helps!
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The answer you are looking for is: more stable D