Depends on how much time you have. You can see all all the main tourist sites in 3 days, such as Grand Palace, Wat Po and nearby museums. Not sure what you mean by "do" though.
Buying also depends on how much money you have. Some people come to Bangkok to buy gems and gold. Some come to buy fake brand luxury items.
You can check out my hub for tips: Thailand-4-Days-in-Bangkok" >hubpages.com/hub/Thailand-4-Days-in-Bang... you have more time, head out of Bangkok to Chiang Mai hubpages.com/hub/Thailand-3-Days-in-Chiang.
See - lady boy showdo - donate coffinbuy - replay jean.
You could see a real thai boxing match ,or buy made to measure suit even a wedding dress very inexpensive if you take a picture of the item they will make it for you.
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.