Final answer:
The most significant effect of the Industrial Revolution was the rapid urbanization and mass migration of people from rural areas to cities.
Step-by-step explanation:
The Most Significant Effect of the Industrial Revolution
The most significant effect of the Industrial Revolution was the rapid urbanization and mass migration of people from rural areas to cities. This transformation led to the rise of industrial capitalism, as new factories and industries emerged. Cities became centers of economic activity, and the working class grew exponentially. This effect had profound social, economic, and political consequences that shaped the modern world.
Learn more about Effects of the Industrial Revolution