Primary sources may be objects (artifacts, tools, weapons, inventions, fashions, uniforms), images (photographs, film, video), audio (oral histories, music, interviews, speeches,) or documents (books, letters, journals, diaries).
A primary source gives you direct access to the subject of your research. Secondary sources provide second-hand information and commentary from other researchers. Examples include journal articles, reviews, and academic books. A secondary source describes, interprets, or synthesizes primary sources.
The Free Enterprise system is also referred to as the Market Economic system and it refers to a situation whereby the economic decisions in a nation are taken by the individuals or the firms.
In such economic system, the role of the government is minimal and is usually not involved in the market.
