Hello :)
Invaders accessed Bulgaria through the Black Sea.
Hope this helps!
The answer is a superordinate goal. This is something that is sufficiently enormous and sufficiently convincing to help people and gatherings disregard individual contrasts keeping in mind the end goal to accomplish something altogether past their present achieve, something that can't be secretly held by any of the individuals, and is rather nearer in nature to a Commons.
B. None of these are examples of permissible limitations on the freedom of speech - this is the answer that represents an instance where the government can/or can't limit what people say.