In case of failure, the only recourse will be to petition the Czar.

如果失败，唯一的办法就是向沙皇请愿。

I agree further that in case of failure, we ought ourselves to recognize the Southern States as an independent State.

我进一步同意， 万一失败，我们自己应该承认南方各州是一个独立的州。

He will pay for the attempt, in case of failure; the money is as good as yours once you consent to run the risk.

如果失败，他将为尝试付出代价； 一旦您同意承担风险， 这笔钱就和您的一样好。

No matter how well we protect a place like that — a mega city or a coastal mega city — there is always some risk remaining in case of failure or defense failure.

无论我们如何保护这样的地方——无论是大城市还是沿海城市——一旦防御失败，总会有一些风险存在。