Actually, the excuse Moses didn't use is Who are you?
Obviously, Moses didn't ask God who he was because he knew who God was - he had been waiting for him for his entire life. Additionally, he did ask God 'Who am I,' meaning 'Why did you choose me for this task?' He also asked his what he should say because he is not eloquent enough and people won't believe his words.
A.) They were forced to move westward
Answer:
President Donald John Trump wants a physical barrier to stop individuals from illegally crossing over the frontier between Mexico and the U.S..
I hope this helps, and as always, I am joyous to assist anyone at any time.