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"): It is a type of crisp, sweetened bread, made with eggs and baked twice.
Relevant evidence: Yes