Complex sentence: The Industrial Revolution is the period encompassing the vast social and economic changes that resulted from the development of steam-powered machinery and mass-production methods, beginning in about 1760 in Great Britain and extending through some of the first half of the nineteenth century.
Split into simpler sentences: The Industrial Revolution is the period encompassing the vast social and economic changes that resulted from the development of steam-powered machinery and mass-production methods. It began in about 1760 in Great Britain and extending through some of the first half of the nineteenth century.