Bernardo De Gálvez Contributed To The American Revolution Bygiving Colonists Access To The Port Of New Orleans And Helping Them Capture British Forts.giving Colonists Access To French Forts And Helping Them Capture Spanish Forts.fighting As A Spanish Soldier At The Siege Of Yorktown And In Other Key Battles.fighting As A Continental Army General Who Became A Symbol Of The Colonies’ Strength.. Bernardo de gálvez played an essential role in the american revolution by using military tactics to seize enemy forts, recruiting a diverse militia, and leading naval operations to. The enemy of my enemy is my friend.

The enemy of my enemy is my friend. Bernardo de gálvez played an essential role in the american revolution by using military tactics to seize enemy forts, recruiting a diverse militia, and leading naval operations to. Born in spain in 1746, a young bernardo vicente apolinar de gálvez y madrid participated in the spanish army's invasion of portugal and fought against.