The most accurate response is:
The political changes in each of these countries varied, but all of them were impacted in ways that changed the political landscape on a large scale.
Industrialization had significant and varied effects on the political landscapes of Great Britain, Japan, and Germany. In Great Britain, it facilitated the rise of the working and middle classes, the expansion of suffrage, and the establishment of labor movements. In Japan, the Meiji Restoration led to rapid industrialization and modernization, which transformed the political structure and allowed Japan to become a significant global power. In Germany, industrialization contributed to the rise of nationalism and the eventual unification of the German states, as well as significant political shifts and the establishment of a more centralized state.
While there are similarities in the impact of industrialization — such as the emergence of new social classes and political movements — the specific political outcomes and the contexts in which these changes occurred were different in each country.