A. Unrestricted Submarine Warfare.
This caused Germans to attack vessels that carried US citizens, bringing the US into the war.
The reason was that the Byzantine sovereign prohibited the utilization of symbols worshipful admiration and the roman catholic pope's scorn this demonstration later the Byzantine heads turned around their stand permitting symbols, yet the harm between the places of worship was done; caused break. The Iconoclast debate of the eighth and ninth hundreds of years and the eleventh century Christian split between the houses of worship of Constantinople and Rome.
The answer is D. President Mckinley's desire for war
They were executed by the electric chair.
The Rosenbergs were executed for conspiracy to commit espionage on June 19, 1953. The other spies who were caught did go to federal prison, but Julius and Ethel Rosenberg were both executed by electric chair.