POD: The Germans smash the resistance in the Dunkirk pocket not allowing the withdrawal of the BEF.
POD: After beating France, Germany declares a unilateral cease-fire, thus effectively ending the war in the West.
POD: he Germans break the alliance with Italy, not getting involved in North Africa e not intervening in the Balkans except for thus countries with borders to SU, specially Romania because of its oil fields.
Direct consequences: Much more manpower and materials available to Operation Barbarossa, specially the airplanes and pilots not lost in OTL Battle of Britain.
How do you think the British will act? And what of the Italians? Will they seek to establish an alliance with Portugal and Spain, fellow fascist states, and try to form a latin block to create another power centre in Europe?