Question: What was the main goal of the "Declaration of Principles?" 
Context: The Harare Commonwealth Declaration was a declaration of the Commonwealth of Nations, setting out the Commonwealth's core principles and values, detailing the Commonwealth's membership criteria, and redefining and reinforcing its purpose.  The Declaration was issued in Harare, Zimbabwe, on 20 October 1991, during the twelfth Commonwealth Heads of Government Meeting.  It reaffirmed the political principles laid out in the Singapore Declaration of twenty years before, and (along with the Singapore Declaration) is considered one of the two most important documents to the Commonwealth's uncodified constitution. The Argentine general election of 1983 was held on 30 October and marked the return of constitutional rule following the self-styled National Reorganization Process dictatorship installed in 1976.  Voters fully chose the president, governors, mayors, and their respective national, province and town legislators; with a turnout of 85.6%. The Declaration for Healthy Food and Agriculture (also known as the Food Declaration) is a declaration, endorsed by 200 national leaders of the sustainable food movement, outlining 12 principles that these leaders believe should frame a healthy food and agriculture policy.  Initiated by Roots of Change (a San Francisco-based non-profit organization) and developed by a national team of thinkers, producers and activists, the stated goal of the declaration is to promote food and agriculture policies that benefit all Americans.  It was launched at the 2008 Slow Food Nation event at San Francisco City Hall. Jorge Rivera López (born 19 March 1934) is an Argentine actor of television and film.  During the 1980s military dictatorship, López, along with Luis Brandoni, Roberto Cossa, Osvaldo Dragún and Pepe Soriano, accompanied by Nobel Peace Prize winner (1980) Adolfo Esquivel and writer Ernesto Sábato formed a group called "Teatro Abierto" (Open Theater) in an attempt to reinvent independent theater separated from government propaganda and approval.  Despite threats, they opened with the declaration that they were against dictatorship and government intervention in the arts.  On the opening night, Rivera López read the “Declaration of the Principles” claiming for all the participants their right to freedom of opinion and expression.  Three works per day were presented for a full week in the Tabaris Theatre, to an estimated audience of 25,000.  The movement continued to perform, despite government disapproval, until the return to democracy, and for several years afterwards presented works critical of the abuses of the dictatorship. The International Code of Medical Ethics was adopted by the General Assembly of the World Medical Association at London in 1949, amended in 1968, 1983 and 2006.  It is a code based on the Declaration of Geneva and the main goal is to establish the ethical principles of the physicians worldwide, based on his duties in general, to his patients and to his colleagues. Crime prevention through environmental design (CPTED) is a multi-disciplinary approach to deterring criminal behavior through environmental design.  CPTED strategies rely upon the ability to influence offender decisions that precede criminal acts.  Generally speaking, most implementations of CPTED occur solely within the urbanized, built environment.  Specifically altering the physical design of the communities in which humans reside and congregate in order to deter criminal activity is the main goal of CPTED.  CPTED principles of design affect elements of the built environment ranging from the small-scale (such as the strategic use of shrubbery and other vegetation) to the overarching, including building form of an entire urban neighborhood and the amount of opportunity for "eyes on the street". The Singapore Declaration of Commonwealth Principles was a declaration issued by the assembled Heads of Government of the Commonwealth of Nations, setting out the core political volunteering values that would form the main part of the Commonwealth's membership criteria.  The Declaration was issued in Singapore on 22 January 1971 at the conclusion of the first Commonwealth Heads of Government Meeting (CHOGM).  Along with the Harare Declaration, issued in 1991, it is considered one of the two most important documents to the Commonwealth's uncodified constitution. The response modulation hypothesis (sometimes abbreviated RMH or RM) is an etiological theory which argues that psychopathy is an attention disorder, rather than a direct lack of empathy or fear.  It posits that when psychopaths focus on a particular goal, they are unable to shift their attention to peripheral signals or cues if they are unrelated to the main goal.  Usually outside signals prevent people from antisocial behaviors (such as anxiety deterring someone from environmental dangers or empathy deterring someone from harming others) but psychopaths do not attend to these cues if they do not relate to their main goal. The Buddhist Federation of Norway (Norwegian: Buddhistforbundet) is an umbrella organization for the different Buddhist groups in Norway.  It was founded in 1979 by two Buddhist groups (Rinzai Zen Senter and Karma Tashi Ling buddhistsamfunn) with the aim of creating an organization to deal with issues of common interest for all Norwegian Buddhists, and which could represent all the separate groups to the government.  The main goal of Buddhistforbundet today is to foster communication and good relations between Buddhists of all traditions and groups, in order to promote Buddhist principles and practice in Norway. VERB was a physical activity program of the Center for Disease Control and Prevention of the United States Government.  It included print, online, and television national paid advertising, running them on popular children's channels and popular children's magazines, for example.  It ran from 2002 to 2006.  The main goal of the VERB campaign was to increase and maintain physical activity among “tweens” (children ages 9–13).  The campaign is based upon social marketing principles (produce, price, place and promotion) and culturally targets this age group.  It encourages life style changes such as playing more and “trying new verbs.”
Answer: claiming for all the participants their right to freedom of opinion and expression.