1.) fleet: A group of ships.
They all left in a fleet so that they could all stay together.
2.) Hessians : People from the region of Germany know as Hesse.
The Hessians went to war with the English.
3.) outbreak: The beggining of a war or battle.
The sudden outbreakĀ came so sudden.
4.) Mortar: A short cannon used to fire shells at a steep angle.
Mortars were used in the Revolutionary War.
5.) Skirmish: Unimportant fighting among outlying bodies of troops.
The skirmish between them was unnecessary.