What impact has technological innovation had on the lifestyle of Europeans?

If we distribute the innovations by eras:

1. Artillery and gunpowder (from the XIV century). Gave advantages in wars during the siege of fortresses with powerful walls.

2. Printing press (from the 15th century). Allowed to print more books, it improved the storage of information, dissemination of knowledge.

3. Steam engine. He gave an incentive to the development of coal mining, they began to build steamships, this improved the communications of countries by sea. Industry began to develop, so small countries like England became the leaders in world production in the 19th century, because India and China then had almost 100% manual labor.

4. Railroad. Has accelerated the growth of cities, promoted the development of metallurgy and trade.