how has UK economy changed
- before 1800's most people worked in the primary sector (e.g. farming, mining)
- however the industrial revolution made many people move to towns and cities to work in the secindary sector (e.g. manufactoring)
- in the last few decades, it all changed again, with many people workig in the tertiary sector (e.g. healthcare, offices, retail)
- most recently, the quaternary sector has developed (e.g. jobs in research, information technology and the media)