Kingdom of Scotland the departure of the Stuart monarchs to rule in England from 1603. However, it was often sidelined and was abolished after the Acts of Union 1707, with rule direct from London. The Parliament of Scotland also emerged as a major legal institution, gaining an oversight of taxation and policy. By the end of the Middle Ages it was sitting almost every year, partly because of the frequent royal minorities and regencies of the period, which may have prevented it from being sidelined by the monarchy. In the early modern era, Parliament was also vital to the running of the country,
Constitution of the United Kingdom two Acts of Union which were passed by the Parliaments of both nations. The Treaty, along with the subsequent Acts, brought into existence the Kingdom of Great Britain, uniting the Kingdom of England and the Kingdom of Scotland. Common law legal systems exist in Northern Ireland and in England and Wales, but not in Scotland which has a hybrid system (see Scots law) which includes a great deal of Common Law. Court judgments also commonly form a source of the constitution: generally speaking in English Law, judgments of the higher courts form "precedents" or "case law" that binds lower courts