Sunak appointed Cameron from the House of Lords in 2023 to be foreign secretary due to his experience in handling foreign affairs as PM
Popularity / identity politics
Liz Truss' cabinet didn't have a single white man in it
She thought it promoted diversity but it made her more unpopular as she refused to appoint anyone that didn't support her campaign and her cabinet was not experienced enough to handle the issues the country was facing and this eventually led to her removal
Ideology
Thatcher appointed Wets and Dries
Theresa May appointed Brexiteers and Remainers
Blair appointed Old and New Labour
important to get a wide range of opinions before presenting a bill in parliament to have a greater chance of passing it in parliament