The correct answer to this open question is the following.
You forgot to include the choices of the questions. Without the choices, we do not have references. However, hope we can help with the following comments.
Jus ad bellum is the kind of legislation that authorizes the transition from a state of peace and agreement to a state of war, where the use of the armed forces is justified. It implies that just a legitimate authority can wage war when no other option is left. Just ad bellum have some principles, that include: right authority, right intention, proportionality, reasonable hope, and last intention, which can be understood as the case in which war is the last resource after a long period of diplomacy and negotiation, under the right authority and the valid reasons to proceed as the last resource to solve an issue.
The correct answer to this open question is the following.
Unfortunately, you do not specify a specific topic to develop the argument. An argument about what?
What is your compelling question? We cannot cite evidence of your research because you did not mention what is the topic of your research.
If we can help with something, we are going to set our own example based on our own topic.
How about the following.
Compelling question:
Was the Revolutionary War the last option for Patriots to get Independence from Great Britain?
Argument/Evidence:
1.- Yes, it was the only option after the number of aggressions and aggravations from the British crown. The English government never had the "openness" to negotiate another valid solution.
2.- Colonists were sick and tired of the heavy taxation imposed by the English government. We are talking about injust taxation such as the Navigation Acts, the Stamp Act, the Townshend Act, or the Tea Act.
3.- The worst part of it was that colonists had to pay those taxations but they did not have a voice in the British Parliament.
Answer:
to get freedom or if there's a mother to help her child. They also wanted to escape the pain that the owner gave them
Explanation: