The shift from pureed foods to table food can be gradual or all at once. If he can pick up food and self feed, you can drop the baby food. And yes, 3 meals with the family and a snack or 2 in between is plenty.
He can stop formula around his birthday, it doesn't have to be right away. Not all kids transition to cow's milk well, so don't be surprised if it takes him awhile to drink it, or maybe he won't care for it at all.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.