Final answer:
The Industrial Revolution was the time period during which economies began to develop globally, leading to a shift from agrarian economies to industrialized economies.
Step-by-step explanation:
The time period during which economies began to develop globally was the Industrial Revolution. This revolution, which started in the nineteenth century, saw a shift from agrarian economies to industrialized economies in countries like England, Europe, and the United States. The Industrial Revolution brought about significant changes in technology, transportation, and communication, leading to the rise of factories and mass production.