Who hired Paul revere and William Dawes to alert the colonists thebritish were coming

On the night of April 18, Joseph Warren assigned Dawes, along with Revere, the mission of riding north to Lexington to warn Samuel Adams and John Hancock of their impending arrest, and to alert the colonial minutemen that the British were on the move.

b toward the volcano.landward. the landward side of something is the side nearest to the land or facing the land, rather than the sea.