What fueled economic growth but also enflamed old rivalries and contributed to two major wars in the twentieth century? protectionism urbanization rearmament globalization
Rearmament contributed to growth because it made millions of jobs, but also contributed to the cold war and world war 2.
The correct answer is "rearmament". Rearmament is a business that contributed to economic growth in many countries but also, it is a driven of rivalries and a starter for wars. For instance, Germany's economic had significantly grown from 1933 to 1938 due to rearmament during Hitler's mandate. However, rearmament was also a contributor for the starting of World War II.