When I started to learn c language I did not use the keywords like "clrscr" and "getch". Without it the programe did not run why?

Clrscr (Clear screen) function is used for clear the output console and we generally place it after variable declaration. If you don’t use clear screen then the result of previous program run and current program run will mix together and beginner will have difficult to get the output of program. Getch (get character) function is used for accepting character input from keyboard but it does not show character on the output console.So, we use it at the end of program, before closing of main function brace, so that it will wait for a keyboard input and we can see the result of program we executed.

If you use turbo C compiler then you can press Alt + F5 and it will show you the output screen.

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.