Which areas did the mongols conquer and incorporate into their empire?

which time period is this? or is this story fictional, i'm going to need more info to answer this question

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.