The Conservatives have a powerful, established rump in the south and those newer MPs in the north who owe their loyalty to Johnson and who believe in levelling up (spending), ironically at the expense of the constituents represented by their southern peers. Sunak would have to keep both of those camps happy, no easy task, and he’d also have to deal with the age-old division between free-trade Tories and those who want protectionism. That question will become even more important in the remainder of this parliament.