1、国体相同，都是资产阶级专政；
2、政体性质相同，都是资产阶级代议制，体现分权与制衡原则；
3、确立方式相同，都通过法律文件确立，从人治到法治。
4、立法权都由国会或议会掌握。
二、不同
1、政体形式不同：英国是君主立宪制，君主世袭，统而不治。议会是国家最高权力机关，实行责任制内阁，内阁和首相对议会负责。
美国史总统共和制，实行三权分立，总统由选民选出，对宪法负责，掌握行政权。国会掌握立法权，最高法院掌握司法权。三者独立平等，互相制约。
2、行政机关和立法机关关系不同：英国行政机关首相和内阁对立法机关议会负责，议会监督内阁，但首相有权解散议会。首相、内阁与议会互相制约。
美国行政机关总统对宪法负责，有权否决国会议案，但无权解散国会。国会可三分之二复议通过总统否决的议案。 国会与总统地位平等互相牵制。
3、国家首相地位不同：英国君主是国家首相，统而不治，是国家的象征。
美国总统集国家元首、政府首脑、军队总司令于一身，握有实权。
1, the same constitution, is bourgeois dictatorship;
2, the same properties, are government representative, reflect decentralization bourgeois and balancing principle;
3, establish the same way, through the legal documents established, from man to the rule of law.
4, legislative are made by congress or parliamentary mastery.
Second, different
1, the regime is different form: the British constitutional monarchy, hereditary monarchy, unified died. Parliament is the highest organ of state power, implement the responsibility system cabinet, cabinet and prime minister responsible for parliament.
American history President a republic and implement separation, President of the constitution by the voters elected, responsible, master executive power. Congress, the Supreme Court mastery mastered legislative and judicial power. Three independent equality, mutual restrict.
2, the executive authorities and legislature relation between administrative organs: the British prime minister and the cabinet, parliament lawmaking authority parliament is responsible for supervision and cabinet, but the prime minister has the right to dissolve parliament. The prime minister and the cabinet and parliamentary check each other.
American administrative organs responsible for constitution, President of congressional bill veto, but not the right to dissolve parliament. Congress can two-thirds reconsideration through a presidential veto legislation. Congress and the President have equal status and expediency. Each other
3, the prime minister of the country is different position: the British monarchy, the prime minister of the country unified does not treat, is a national symbol.
The President of the United States set national heads of state or government, military commanders at a suit, has the real power.
2, the same properties, are government representative, reflect decentralization bourgeois and balancing principle;
3, establish the same way, through the legal documents established, from man to the rule of law.
4, legislative are made by congress or parliamentary mastery.
Second, different
1, the regime is different form: the British constitutional monarchy, hereditary monarchy, unified died. Parliament is the highest organ of state power, implement the responsibility system cabinet, cabinet and prime minister responsible for parliament.
American history President a republic and implement separation, President of the constitution by the voters elected, responsible, master executive power. Congress, the Supreme Court mastery mastered legislative and judicial power. Three independent equality, mutual restrict.
2, the executive authorities and legislature relation between administrative organs: the British prime minister and the cabinet, parliament lawmaking authority parliament is responsible for supervision and cabinet, but the prime minister has the right to dissolve parliament. The prime minister and the cabinet and parliamentary check each other.
American administrative organs responsible for constitution, President of congressional bill veto, but not the right to dissolve parliament. Congress can two-thirds reconsideration through a presidential veto legislation. Congress and the President have equal status and expediency. Each other
3, the prime minister of the country is different position: the British monarchy, the prime minister of the country unified does not treat, is a national symbol.
The President of the United States set national heads of state or government, military commanders at a suit, has the real power.
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