The only way to see if your songs are decent is to sing them in public and see if anyone likes them. Many coffee houses and the like have open mike nights. Try them.
From your examples the odds don't sound too good right now. Still, even trying at any of the arts is a good thing. The more you practice, the better you get.
Keep trying. (but only do the best ones in public, please).
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.