Respuesta :
The population shift in Europe that resulted from the formation of the European union as people migrated to western Europe in search of employment in more-industrialized countries.
About European union
27 member nations, most of which are in Europe, make up the supranational political & economic union known as the European Union (EU). With a total size of 4,233,255.3 km2 (1,634,469.0 sq mi) as well as an estimated 447 million people, the union is the world's fifth-largest country. The EU has frequently been referred to be a sui generis (without precedent or reference) political body that combines the traits of both the federation as well as a confederation.
With a population of 5.8% of the world's total in 2020, the EU produced a nominal gross domestic product (GDP) of about US$17.1 trillion in 2021, or about 18% of the world's nominal GDP.
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