Who among the following invented the steam engine?

🧠 Explanation:

The steam engine was invented by James Watt in the 18th century, significantly improving earlier designs by Thomas Newcomen. Watt’s enhancements, including the separate condenser, increased efficiency and made steam engines practical for industrial use. The invention played a pivotal role in the Industrial Revolution, powering factories, mines, and transportation systems like trains and ships. Steam engines transformed economies by enabling mass production, reducing manual labor, and fostering technological advancement. Understanding James Watt’s contribution is essential for both history and general knowledge exams, as his work laid the foundation for modern mechanical engineering and industrial development worldwide.