This is called a plural possessive. It means belonging to more than one army. Here are some sentences.The armies' uniforms were mixed up at the laundry.The parking lot was full of the armies' vehicles.The armies' teams competed with each other.
yes
They used poisoned gasses.
island hopping
The phalanx was one of the ancient world's most effective fighting tactics.
Blitz Krieg
During the 16th century, fighting advanced from medieval warfare to the use of firearms. Fighting could now be done from a distance with standing armies apposed hand to hand, one on one fighting styles.
The American forces used what we call today, Guerrilla warfare; which is the Native American way of fighting.
The Greek term for a method of persuasion is "rhetoric." It refers to the art of effective communication and convincing others through skillful use of language and argumentation.
they used bombs
Guerrilla Warfare
The armies' tanks were huge.
The allied armies marched upon the enemy camp.
NO
Most of the military and militia strategies we use today are based on the fighting strategies they use back then.
fatalistic is not a greek word. μοιρολατρικός (mee-ro-la-tree-kos) is a greek equivalent and it means the one who believes that destiny is unchangeble and obey to it without fighting at all.
It depends on the justification for political power relative to the method and use of that army. For example, if the justification for power in a political system is popular sovereignty (i.e.) the people), then the consent of the people to raising and supporting armies would arguably be sufficient for it to be a justified power.