You need to move (or a moderator will) move your discussion to the HR forum.
Its a lot like how combat in Fortress America works with d8, d10 (1 push/retreat 2-5 miss 6+ hit)
If conquered by the British, do those territories’ income go to the pacific or the european economy?
On the European board - land goes to England/Europe
Only stuff on the pacific side goes to India.
Remember that in the Alpha +2 rules, West India income goes to India and Western Canada income goes to London.