Why USS Monitor was not built like HMS Warrior

How well was USS Monitor built compared with HMS Warrior?

Monitor was credible for an emergency build, though speed brought cost and quality compromises.

Monitor was well built by the standards of a wartime emergency program. Its chief requirement was speed, which forced compromises elsewhere. The answer uses the familiar choice among low cost, fast delivery, and high quality: builders can usually secure two, while emergency programs often try and fail to secure all three. Monitor arrived quickly, but the build was neither cheap nor free of quality problems.