Final answer:
The two major changes/eras during the 1400/1500s in Europe were the Renaissance and the Age of Exploration.
Step-by-step explanation:
The two major changes/eras during the 1400/1500s in Europe were the Renaissance and the Age of Exploration.
The Renaissance was a cultural movement that began in Italy in the 15th century and spread throughout Europe. It was characterized by a shift towards humanistic learning, new artistic styles, and scientific advancements.
The Age of Exploration started in the late 1400s and involved European countries exploring new lands and establishing colonies. It led to the discovery of new trade routes, the colonization of the Americas, and a significant expansion of knowledge about the world.