Answer:
military revolution in which cannon, muskets, and commoner foot soldiers became the mainstays of European armies. Armies grew in size, and most European states maintained standing armies.
I would say Lebanon and Israel. the conflict would be that the lebanon is most likely to get less water because the Jordan River doesn't enter Lebanon. and since majority of the water is going to Israel, that will cause Lebanon to get angry with Israel and most likely to start a huge conflict between the two.
They did not join together. the nubia and the egypts were against eachother trying to create wars in order to end eachother