Answer: A
Explanation: invention of movable type
The 1922 Russian Revolution led to the formation of the Soviet Union, and the rise of communism throughout the eastern part of the world.
Chagas disease is a dangerous disease initiated by the protozoan parasite Trypanosoma cruzi (T. cruzi). Approximately 6 million to 7 million people universal are projected to be diseased with Trypansosoma cruzi, the parasite that causes Chagas disease. Chagas disease is found mostly in widespread areas of 21 Latin American countries where it is typically vector-borne conveyed to humans by interaction with feces or urine of triatomine bugs or kissing bugs.
delivery of electricity
He contributed to the electrical industry.
Formation and Early History of the NHL (1917–41) The National Hockey League (NHL) was established in Montréal, Québec, on 26 November 1917. ... The Ottawa Senators dominated the 1920s, with six league titles and four Stanley Cup victories; however, the team folded in 1934.
