Men of the West

The Men Of The West is Rohan And Gondor combined. They Fought in Last Battle for Middle-earth in a location called The Black Gate. Leading them into Battle were the heroes: Eomer, Gandalf, Aragorn, Legolas, Gimli, Merry and Pippin.

Diversion
I will have you stand men of the west! Aragorn to his army men of the west. When all the last surviving men of Gondor and Rohan turned into the Men of the west Aragorn son of Arathorn became their king. Aragorn decided that him, his army, and all the surviving heroes to march to black gates to make a diversion to give Frodo and Sam one last chance to destroy the One Ring.

Last stand
During the Men of the west last stand against mordor the Eagles came to even the odds and were fighting all the Nazgul on fellbeasts.

Peace
Thanks to Frodo, Sam and the Men of the west they brought peace to all of Middle-earth and Aragorn was crowned king. Also during the Celebration Aragorn and Arwen got married.