a situation in which people disagree so much that they can no longer work together effectively

It was all part of our enemies' plans to sow disunity in our society. 这都是敌人的计划，意图在我们的社会中制造不团结。

All that talk of disunity and division was gone. 所有关于不团结和分裂的言论都烟消云散了。