 Complete the following phrase:  Tensions mounted between France and England in early 1778 in the context of the American Revolutionary War, with the action of 17 June 1778 constituting a step up announcing Frances participation in the American Revolutionary War. Suffren was appointed to the fleet of Admiral dEstaing, leading a division comprising the 64-gun Fantasque, which he personally captained, and the frigates Aimable, Chimère and Engageante. The mission of his force was to support Franco-American efforts in the 