Short answers, pulled from the story.
Economics defines work as labor alongside other factors of production to create goods and services within an economy. Work functions as a service in standard economic theory and exists in all human societies whether paid or unpaid.
A 2024 study found that the majority of current employment in the United States was in occupations introduced since 1940. This indicates that most modern jobs emerged after World War II rather than during earlier historical periods.
The primary sector extracts food raw materials and other resources from the environment while the secondary sector manufactures physical products refines materials and provides utilities. The tertiary sector provides services and helps administer the economy without producing tangible goods.
Global rate child labor decreased from 25% to 10% between 1960s early years 21st century per World Bank statistics. UNICEF ILO note estimated 168 million children aged 5, 17 worldwide involved some sort child labor in 2013 despite these overall declines.
German sociologist Max Weber hypothesized that European capitalism originated in Protestant work ethic emerging with Reformation. Christian theologians appeal to Old Testament Book of Genesis regarding work where humans created in image of God are placed to work it and keep it.