Answer:
D: international efforts to reduce the effects of climate change
Explanation:
Answer;
The biggest advantage that was held by the North during the civil war was the fact that the North had more natural resources.
Explanation;
Civil war was a war between the states, that was fought between the United states and the Confederate states of America, a collection of eleven southern states.
The south lost the war because the North and Abraham Lincoln were determined to win it. They lost because they had inferior resources in every aspect of military personnel and equipment.