Why was the 16x16 area chosen?

A. The 16x16 area corresponds to the Least Common Multiple (LCM) of 8x8 blocks, given the normative 4:2:0 chroma ratio. Starting with medium size images, the 16x16 area provides a good balance between side information overhead & complexity and motion compensated prediction accuracy.

In gist, 16x16 seemed like a good trade-off. More.

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.