Who led the first doughboys that arrived in france?

The answer is John J. Pershing. 

He dismissed British and French requests that American powers be incorporated into their armed forces and demanded that the AEF would work as a solitary unit under his charge, albeit some American divisions battled under British order, and he additionally enabled every single dark unit to be coordinated with the French armed force. 
American powers initially observed genuine fight at Cantigny, Chateau-Thierry, Belleau Wood, and Soissons. To accelerate the landing of the doughboys, they set out for France deserting the substantial hardware and utilized British and French tanks, big guns, planes and different weapons. In September 1918 at St. Mihiel, the First Army was straightforwardly under Pershing's charge; it overpowered the striking – the infringement into Allied region – that the German Army had held for a long time.

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