So, how will the world end?

Before any of that happends americas echonomy will collapse and it will be the fall of the "United Empire of America" yes it have so many bases offshore that it is an empire now, when it falls people will be terd oil and gold will get a new value .... Welcome to world war 3 where the chinese will surly be involved ..... neuclear rain ... do i have to come with more doomsday predictions or is this enogh? i have plenty