I would be praying and be grateful for living as long as I have and hopefully be able to survive (:
B. The answer is B i need 20 characters B
Because you could just sit in your trench and wait for the opponent to attack, at which point you could shoot him, throw explosive devices, or even use chemical weapons that weren't banned then.
Once the river floods it can destroy houses that are near it or even crops, however, when the nile river floods it also helps water the soil near the river that will aide in planting crops