The 19th century was marked by significant changes, including the rise of the Industrial Revolution, which transformed economies from agriculture-based to industrial and manufacturing. This period also saw the expansion of empires, such as the British Empire, and movements for social change, including abolitionism and women's suffrage. The 20th century brought about rapid advancements in technology and communication, highlighted by the invention of the internet and the rise of globalization. Major events included two world wars, the Cold War, and significant social movements, such as the civil rights movement in the United States, which aimed to end racial discrimination and promote equality.