You can use Android Bundle to accomplish the task and in a better way. Create a ArrayList of the items to pass, add the ArrayList to the Bundle and send the Bundle in the Intent call.
When the user wants to go to Activity 2, make a String array to hold the number of selected items. Add it as an extra in your intent to start Activity 2.
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.