英美概况有关的,

英美概况有关的,
英国大宪章和美国的三权分立制度,问题与要求如下：
1.What’s the significance of the Great Charter?
(1) Why and how was the Great Charter signed?
(2) The Great Charter,or the Magna Carta is a most important document in English history.It is as important to the English people as the Declaration of Independence to the Americans.It has been regarded as “the corner stone” of English history.
The Great Charter was the first step of constitutional experiment and rule of law.
The Great Charter laid down the basic rules for the English and American legal system.
(3) the charter represented a turning point in the development of English history.The demand for a social order regulated by the law began to challenge feudal despotism.
2.Explain briefly how the three branches of American Federal government balance and limit each other.
(1)the three different branches of American Federal government and their respective
functions.
(2) how does each branch check,or limit the powers of the other two.
答案最好能在150字以上,英文回答.