The correct answers is A. oracle bones
Answer:
American Robert Gray’s most important accomplishment was claiming the Columbia River of the United States.
The "Margherita Pizza" was first made in Italy.
It was named after the Queen(Queen Margherita of Savoy) because it resembled the Italian Flag.
Red(Tomato), White(Mozzarella), and Green(Basil.)
It was made for dedication after the unification of Italy.
Many people would disagree with what Stalin did if it were done today. The world has changed. Most of these things would be seen as war crimes or just wrong.