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Roman law was heavily influenced by Greek philosophy, but its detailed rules were developed by professional jurists and were highly sophisticated. In medieval England, royal courts developed a body of precedent which later became the common law. A Europe-wide Law Merchant was formed so that merchants could trade with common standards of practice rather than with the many splintered facets of local laws. The Law Merchant, a precursor to modern commercial law, emphasised the freedom to contract and alienability of property.

• Strategic lawyering by a team of Harvard Law students led Veterans Affairs to change its long-standing benefits policy that largely excluded surviving partners of LGBTQ+ veterans.
• The current legal infrastructure in the People’s Republic of China was heavily influenced by Soviet Socialist law, which essentially inflates administrative law at the expense of private law rights.
• I call the relevant facts “law-determining practices” rather than “legal decisions” because the term “decisions” tends to suggest judicial decisions in particular.
• For instance, the Quran has some law, and it acts as a source of further law through interpretation, Qiyas , Ijma and precedent.
• The constitutions of certain Muslim states, such as Egypt and Afghanistan, recognise Islam as the religion of the state, obliging legislature to adhere to Sharia.

There are distinguished methods of legal reasoning and methods of interpreting the Law. The former are legal syllogism, which holds sway in civil law legal systems, analogy, which is present in common law legal systems, especially in the US, and argumentative theories that occur in both systems. The latter are different rules of legal interpretation such as directives of linguistic interpretation, teleological interpretation or systemic interpretation as well as more specific rules, for instance, golden rule or mischief rule. There are also many other arguments and cannons of interpretation which altogether make statutory interpretation possible. Investigating, apprehending, charging, and trying suspected offenders is regulated by the law of criminal procedure.

Some common law systems, including Australia, are moving away from the idea of consideration as a requirement. The idea of estoppel or culpa in contrahendo, can be used to create obligations during pre-contractual negotiations. The Classical republican concept of “civil society” dates back to Hobbes and Locke. Once accredited, a lawyer will often work in a law firm, in a chambers as a sole practitioner, in a government post or in a private corporation as an internal counsel.

Constitutional and administrative law

Freedom of speech, freedom of association and many other individual rights allow people to gather, discuss, criticise and hold to account their governments, from which the basis of a deliberative democracy is formed. The more people are involved with, concerned by and capable of changing how political power is exercised over their lives, the more acceptable and legitimate the law becomes to the people. The most familiar institutions of civil society include economic markets, profit-oriented firms, families, trade unions, hospitals, universities, schools, charities, debating clubs, non-governmental organisations, neighbourhoods, churches, and religious associations. There is no clear legal definition of the civil society, and of the institutions it includes.

Today Taiwanese law retains the closest affinity to the codifications from that period, because of the split between Chiang Kai-shek’s nationalists, who fled there, and Mao Zedong’s communists who won control of the mainland in 1949. The current legal infrastructure in the People’s Republic of China was heavily influenced by Soviet Socialist law, which essentially inflates administrative law at the expense of private law rights. Due to rapid industrialisation, today China is undergoing a process of reform, at least in terms of economic, if not social and political, rights.