Yes, of course endangered animals need our protection because we are the only ones who can save them from being extinct, by saving their natural habitat from destruction , by avoiding illegal poaching of animals for their hides, skins, tusks, meat ect. we can plant more and more trees for their habitat . by preparing funds ( like WWF ,i,e, World Wide Fund For Nature) for the protection of the endangered species.
The sentence with correct punctuation is A. The train named City of New Orleans travels between Chicago and New Orleans. And B. Did you know there is a British Submarine named HMS Churchill?