Question: What was a pair of revolutions in Russia in 1917 which dismantled the Tsarist autocracy and led to the rise of the Soviet Union, that during this time period a form of rusk made with eggs and baked twice was moved to other parts of the world?
Sentence (from "Zwieback"): Zwieback is a form of rusk eaten in Scandinavia, Germany, Austria, France, Switzerland, Italy, Slovenia, Croatia, Serbia and Greece.
Relevant evidence: No