How long was abraham lincoln president?

Abraham Lincoln  was an American statesman, politician, and lawyer who served as the 16th president of the United States from 1861 until his assassination in April 1865.So,he was a president for 4 years.

d. direct

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.