River site of british attacks in mid-1916 that were intended to relieve pressure off of verdun?

Answer 1

Somme

Answer 2

The river site of British attacks in mid-1916 that were intended to relieve pressure off of Verdun was the Somme River. The Battle of the Somme was a major offensive launched by the British and French forces against the German army. Despite heavy casualties, the battle ultimately failed to achieve its objectives and resulted in a stalemate.