Answer:
Explanation: You should most likely do cause and effect because he wants to understand the reason why world war 1 happened so he would look for the cause and that the cause and effect.
B
Explanation:
It would give the most information.
What if I am happy?
I am happy because Christmas is 14 days away and I love Christmas. So Merry almost Christmas☃️❤☃️
I can do it when is the deadline