Sentence:  [T]he "Megalopolitans" decreed to ſend embaſſadors to the aſſembly of the "Achæans", begging leave to ſolicit <WSD>ſuccours</WSD> from "Antigonus". [...] The general aſſembly, having given audience to the embaſſadors, and reflecting, that they were not in a condition to yield them any effectual <WSD>ſuccours</WSD>, by reaſon of their great ſtreights, aſſented to their propoſal, and granted them leave to purſue their orders. 
Meaning of the word marked with <WSD> tags:  Aid or assistance in the form of military equipment and soldiers, especially reinforcements sent to support military action.