Question: Did Theodore Roosevelt initiate the Mexican–American War?, Answer:No, Description of Mexican–American War: Armed conflict between the United States of America and Mexico from 1846 to 1848, Fact1: Theodore Roosevelt Jr. served as the 26th president of the United States from 1901 to 1909., Fact2: The Mexican–American War was from 1846 to 1848., Fact3: James Knox Polk was president from 1845 to 1849., Fact4:  Polk used  U.S. troops' presence to provocative Mexico into a war.
Step1: What office of the US has the power to initiate war?, Step2: What years were the Mexican-American war fought?, Step3: Who held the position of #1 during #2?, Step4: Is #3 Theodore Roosevelt Jr?, Wikipedia page for step 1: President (US-War), Wikipedia page for step 2: Mexican-American War, Wikipedia page for step 3: Mexican-American War, Wikipedia page for step 4: , not_definitive_answer: False, incorrect_answer: False