Answer
**Answer**: _The Age of Revolution_ is the first volume of historian Eric Hobsbawm's influential four-volume series, which examines the long 19th century (1789–1914) and its global impact. Hobsbawm argues that the period witnessed a series of momentous transformations, including the French Revolution, the Industrial Revolution, and the rise of nationalism, which reshaped the political, economic, and social landscape of the world.