Generally speaking, industrialization greatly reduced social inequality by creating a "middle class" of people, who were able to significantly increase their incomes due to the large number of jobs available in factories.
Answer: The Industrial Revolution and the Space Race
Explanation:
The Industrial Revolution: Transformed economies that had previously been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system (more efficient). New machines, new power sources, and new ways of organizing work made existing industries more productive and efficient and allowed further innovation in all facets of life.
Space Race: Changed how humanity understood and interacted with the wider universe; led to vast advancements in travel, weaponry, science, astronomy, and now economy as private companies are working on space trips using technology and knowledge learned during the Space Race.
The western Church claimed authority over the Eastern Church because the pope believed he had power over both Churches.
