This document provides an overview of Period 5 (1750-1914), characterized by the Industrial Revolution, representative governments, and rapid communications development. It led to revolutionary changes worldwide, including unequal relationships between colonizers and colonized. The Industrial Revolution began in Britain in the late 18th century and spread globally by the late 19th century, driven by new energy sources like coal, new inventions, and global trade networks. It caused massive increases in population and transformations in human societies.