In early August 1789, the National Constituent Assembly abolished the privileges of the nobility such as personal serfdom and exclusive hunting rights. Through the Declaration of the Rights of Man and of the Citizen (27 August 1789) France established fundamental rights for men. The Declaration affirms "the natural and imprescriptible rights of man" to "liberty, property, security and resistance to oppression". Freedom of speech and press were declared, and arbitrary arrests were outlawed. It called for the destruction of aristocratic privileges and proclaimed freedom and equal rights for all men, as well as access to public office based on talent rather than birth. In November 1789, the Assembly decided to nationalise and sell all property of the Catholic Church which had been the largest landowner in the country. In July 1790, a Civil Constitution of the Clergy reorganized the French Catholic Church, cancelling the authority of the Church to levy taxes, et cetera. This fueled much discontent in parts of France, which would contribute to the civil war breaking out some years later. While King Louis XVI still enjoyed popularity among the population, his disastrous flight to Varennes (June 1791) seemed to justify rumours he had tied his hopes of political salvation to the prospects of foreign invasion. His credibility was so deeply undermined that the abolition of the monarchy and establishment of a republic became an increasing possibility.