Which item is an example of a secondary source

The fall in formal sector employment has had important -- usually negative -- consequences for the people concerned. it has frequently led to a decline in individual and family income, social exclusion, and a worsening of the life chances of their children. . the decline in employment has disproportionately affected women. in general, the decline in female employment has been larger -- in some cases very much larger -- than the decline in male employment. for example, in the czech republic, between 1985 and 1997, the decline in female employment (11.8 per cent) was almost 10 times the decline in male employment (1.2 per cent). which of these statements is supported by information in the text? the employment rate of a nation also has social consequences. the employment rate of a nation only affects its female population. the employment rate of a nation only affects its male population. the czech republic was more negatively affected than any other country.

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What were some of the most important native items adopted by europeans ? what impact did they have on european life ?