Why did William Murdoch create or improve the steam engine?

William Murdoch improved the steam engine primarily to enhance its efficiency and practicality for industrial applications. His innovations included the development of a more effective design that utilized steam more efficiently, which was critical during the Industrial Revolution. Murdoch's work allowed for the steam engine to be used in various industries, such as mining and transportation, thereby facilitating greater productivity and economic growth. His contributions laid the groundwork for future advancements in steam technology.