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Prime minister/ president similarities
Both commander in chief
Both have control over the legislative
both have control over the cabinet
President/ prime minister differences
President is the head of state and the prime minister is not
Prime minister is part of the legislative in the UK
President can approve and submit budget while the prime minister can only approve by voting on it
Rights similarities
Both have pressure groups to protect the rights of citizens
The rights are generally similar, US have the bill of rights and the UK have the HRA
If rights are violated it can be taken to court and settled
Rights differences
Rights are not entrenched in the UK like they are in the US
Constitution in the US is sovereign
Supreme court has more power in the US to strike down laws ( roe v wade)
Pressure Groups similarities
Both have similar funding through donations and membership
Both contribute to create a pluralists society where decisions are made with input from many areas]
pressure groups are both restricted by legislation and laws regarding direct action
Pressure Groups differences
There are no outsider groups in the US
US groups often fund legal battles that are related to their cause
Constitution similarities
Both have bicameral chambers in their structure
Both can be changed by their legislative branches
Both provide representative democracies
Constitution differences
the US has a codified constitution, UK does not
US creates a separation of powers through federalism where as UK has both the legislative and the executive together
the American constitution is sovereign where as parliament is sovereign in the UK constitution
Voting Behaviour similarities
Education-based voting
Age
Income
Voting Behaviour differences
Gender seems to have more of an effect in the US
Regional voting are differently voted, the US has much more important swing states
US can have a split ticket in their elections, presidency, senator etc
Parties similarities
Both systems have a two party system
Functions of the parties are the same
Both have party leader, person that runs for presidency/ prime minister
Parties differences
Two party system in the US, multiparty system in the UK
Party control doesnt exist in the US as they don't have whips
More third party influence in the UK, especially since the coalition
Parliament and Congress similarities
Bicameral as both institutions have two chambers
Both have a speaker and the structure is similar
Both have legislative power over the executive, vote of no confidence and impeachment
Parliament and Congress differences
HOL is unelected
Representatives in the US have a two year cycle
Executive is in the legislative in the UK