https://en.wikipedia.org/wiki/Territorial_evolution_of_the_British_Empire

https://en.wikipedia.org/wiki/List_of_wars_involving_England

https://en.wikipedia.org/wiki/List_of_wars_involving_the_United_Kingdom

https://reviews.history.ac.uk/review/224

https://en.wikipedia.org/wiki/Opium_Wars

https://en.wikipedia.org/wiki/List_of_Anglo-Indian_Wars

https://en.wikipedia.org/wiki/Bombardment_of_Kagoshima

https://en.wikipedia.org/wiki/Anglo-French_War_(1778–1783)

https://en.wikipedia.org/wiki/First_Anglo-Afghan_War

https://en.wikipedia.org/wiki/Anglo-Burmese_Wars

https://en.wikipedia.org/wiki/First_Boer_War

ehm so im not sure, May be 4 u it isn't enough but i can say most of this wars started just to made more shekels.