2 Metaphors for disagreements

She decided then and there that a serious disagreement with the squire would be too great a tax upon any woman's strength, and she did not wonder that Vera's had broken down under it.

If this were not done the president would be at the mercy of congress, and the people, seeing that disagreement between the executive government and the congress was the cause of its misfortunes, would start another revolutionary movement to destroy both of them.

2 Metaphors for  disagreements