How is manifest destiny and monroe doctrine similar

The Monroe Doctrine and "manifest destiny" formed a closely related nexus of principles: historian Walter McDougall calls manifest destiny a corollary of the Monroe Doctrine, because while the Monroe Doctrine did not specify expansion, expansion was necessary in order to enforce the Doctrine.

the monroe doctrine was a message from president monroe in 1823 the monroe doctrine showed how the united states was becoming one of the elite nations in the world it let other nations know the mine - set of the country also the moroe doctrine showed how the manifest destiny was growing in the country