求翻译：英王约翰被迫签署的宪法性的文件。其宗旨为保障封建贵族的政治独立与经济权益，不利于加强王权。成为了英国君主立宪制的法律基石是什么意思？

King John was forced to sign the Constitution of the file. Its purpose is to protect the political independence of the feudal aristocracy and economic interests, is not conducive to strengthening the monarchy. Became the legal cornerstone of the British constitutional monarchy

King John was forced to sign a document of the Constitution. Its purpose is to protect feudal nobleman's political independence and economic interests, to the detriment of the monarch was strengthened. As the British constitutional monarchy of the legal bedrock

English king John is compelled the signature constitution document.Its objective for safeguard feudal aristocracy's politics independent and economical rights and interests, does not favor the enhancement royal power.Has become the English constitutional monarchy system legal cornerstone

King John was forced to sign the Constitution document. Its purpose was to ensure political independence and economic interests of the feudal nobility, not conducive to the strengthening of Royal power. United Kingdom legal cornerstone of the constitutional monarchy

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