Respuesta :
The correct answer is A) British impressment of US sailors.
The factor that directly contributed to the US decision to declare war on Britain in 1812 was the British impressment of US sailors.
The War between the United States and Great Britain started on June 18, 1812, and ended on February 18, 1815. The two main reasons that contributed to the US decision to declare war on Britain in 1812 was the British impressment of US sailors and trade restrictions imposed by the British government. Peace between both nations was formally established after the signing of the Treaty of Ghent, in Belgium.