2:108 Would you demand of your Messenger what was demanded of Moses in the past? But whoever chooses the darkness of ignorance instead of conviction in the Truth has already strayed from the right path. [2:67-71. The people of Moses had demanded him to bring God face to face. 4:153. And they kept asking him vain questions 5:101, and kept making excuses. 5:24]
Try to stick to relevant questions as instructed by the Noble Quran.
Once you have mastered what is important, and I am still in kindergarten, then we can entertain you on 'what ifs!
Brother Khalil looks like he is spaced out by your question, LOL.
To answer your other question, history is in the eye of the writer and the reader and there are very few reliable sources.
History is important to make us learn from it, but even when we have good history, mankind seldom does.