Answer:
I would change the Treaty of Versailles that ended World War I. The American President Wilson tried to persuade the allies to be forgiving, but his European counterparts instead stuck it to the defeated, especially Germany, demanding huge reparations that impoverished them and created the conditions for fascism to triumph. The vengeful allies of World War I created Hitler, and if I could, I would change their minds so that Hitler and his Nazis never had the chance to come to power; they would have remained a far-right fringe group in a rebuilt and prosperous Germany.
When it says the whole world is quiet could mean that theres either no one is around or nobody is listening.
Voice meaning maybe this is there time to speak up and talk.
No you do not, composting is basically decomposing
Write about how it was an unlikely friendship, and say that the theme is about friendship as well.