Three promotional materials used by public relations include:
laws
pamphlets
books
articles

Pamphlet

Books

Article

Explanation: The three promotional materials used by public relations include pamphlets, books, and Article. however, several organizations also use public relations to promote their products and to supplement their sales efforts. Public relations can help to improve and promote an organization’s image and products by creating a positive awareness of new products and the organization producing it. Public relation helps promote positive attitudes and behaviours towards your business that will help convert interested consumers into actual customers.

answer: born in saint-dié, in the vosges department, france, he studied law, and was called to the bar at paris in 1854,[2] but soon went into politics, contributing to various newspapers, particularly to le temps. he attacked the second french empire with great violence, directing his opposition especially against baron haussmann, prefect of the seine department. a series of his articles in le temps was later republished as the fantastic tales of haussmannlaxupa (1868).[2]

explanation: