Separation of powers:

Question 1

define uncodified constitution:

Answer 1

set of rules, not all written down in one place, comes from different sources.

Question 2

define the SoP:

Answer 2

theorized by montesquieu
legislative: parliament: commons and lords who make the laws.
executive: government: ideas and run the country
judiciary: judges: enforce and apply the law

Question 3

why was it supposed to be kept seperate:

Answer 3

prevent each body from having absolute power.
safeguards citizens.