European Union (EU): A political and economic union consisting of 27 member countries in Europe, fostering cooperation in various areas such as trade, travel, and governance.
Industrial Revolution: A period of rapid industrialization that began in Britain during the late 18th century and later spread throughout Europe, transforming economies, societies, and urban landscapes.
Schengen Area: An area comprising 26 European countries that have abolished internal border controls, allowing for passport-free movement between member states.