The german invasion of the soviet union was stopped with

Hitler ordered the invasion of the Soviet Union, which was code-named Operation Barbarossa, on June 22, 1941, deliberately breaking the nonaggression pact that the two countries had signed two years before.

john smith was the first englishman to sail around the world. francis bacon served as attorney general and lord chancellor of england. he took up aristotelian ideas, arguing for an empirical, inductive approach, known as the scientific method, which is the foundation of modern scientific inquiry.

d) in the state of iowa