There was a time when God, in His absolute sovereignty, was the only Being Who had a free will. He was, in fact, the only Being!
Then He began to create. And as He created, He made angels at the beginning of the week and men at the end of it.
And when He made angels and men, He did something as beautiful as it was dangerous. He gave them the amazing gift of “free will”.
And the moment He did that, He sovereignly chose to share His sovereignty with lesser beings. And sharing His sovereignty with others immediately made it no longer absolute. And God was okay with that. Because He sovereignly chose to do it that way.
Did that choice come with risks? Did it come with problems? Certainly! But in His infinite wisdom, God could see that all the risks were more than worth the reward.
What reward could possibly be worth all the sin and death and hell that has plagued the human race? It was the eternal love and life and heaven that He will share with all those who use their incredible and dangerous gift wisely.
He sovereignly chose to suffer for our sins, to show His love, to share His heaven - and all those who take their own tiny bit of sovereignty, their own free will, and offer it back to Him in humble submission, all who hand Him back the crown He gave to us - they will sit with Him on the throne over all creation forever (Revelation 3:21). The very throne that Satan tried to steal at the start, He freely offers to Adam’s race in the end.
And in the end, only those who submitted their wills to His will remain, and He will once again be absolutely sovereign throughout eternity with His Bride at His side. But then, His sovereignty will not be by force, but by love.
And eternal love was what made the dangerous gift finally worth it all.
I believe that if this answer satisfies your question about God’s sovereignty, then you can see how it will apply to many other questions such as you’ve raised as well.