Fossil fuel are cheap and easy to use, but pollute the earth so no we shouldn't use it, and we should work on greener sources of energy that can power a nation! (Still not there yet though.)
How the animal moves how well it can here how the animal lives it's life where it goes and they need to know where they are cause the animal probably knows more of the surroundings then the hunter
Recently, Russia faces international conflict, especially about Venezuela Problems with EEUU.
Best regards