Yes he was- signing the papers was just about his last official act as president.
President John Tyler annexed Texas in 1845
why did president Tyler want to annex Texas
I am pretty sure that President John Tyler annexed Texas to US.
John Tyler was president when Texas was became US territory February , 1845, six days before Tyler left office.
John Tyler
US President John Tyler signed the Texas resolution in 1845.
john Tyler
President John Tyler annexed Texas in the last months of his presidency preceding Polk. Tyler pushed a joint resolution through Congess which needed a simple majority to be passed.
John Tyler was responsible for the United States annexing Texas. Most of his cabinet did not agree with Tyler's presidency and resigned from their positions.
US President John Tyler had a stormy term as the US president. In his last year in office in 1845, Tyler signed bills allowing Texas and Florida to be admitted into the US.
John Tyler was the last president elected from the state of Virginia.
John Tyler was the 10th President of the United States.