<span> The world belongs to those who come the last, They will find hope and strength as we have done.
I'm pretty sure that is your theme. The way a theme was defined for me is as a universal truth. It's something the whole world can agree on. Or, the theme of a party is something that can be recognized and agreed upon by the guests.</span>
I believe the proper answer would be "Sentence 3".
There is power in collective action as the one mouse could do nothing to the cat. But the one cat could do nothing to the dog, but 34 mice could because there is power in collective action.