Prussians started germanizing Poles after 1772 through schools and churches. Frederick William II forced German teachers into Warmia Catholic schools. Silesian teachers knew Polish but shifted to German instruction. Children failed to learn German fast enough for lessons. Officials refused to learn Polish, blocking communication. 1832 mandated 8 hours weekly German teaching. 1831 ordered firing Polish-speaking teachers for German-only ones. Mazurians and pastors protested in 1836 synod. 1873 banned all Polish in schools, including breaks, with beatings for violations. Polish petitions in 1885 and 1892 failed. Teachers got bonuses for germanization success. History lessons glorified German achievements to bind kids to Germany. 1903 added border pay incentives for teachers. Propaganda exploited Prussian victories and culture. Church reduced Polish masses. Prussian places renamed to erase Polish names. Mazury schools kept some Polish as auxiliary post-1873. Kulturkampf subordinated Catholic Church to state. Banned political sermons and expelled Jesuits in 1872. State seized church properties and cut funding. Priest numbers dropped from 316 to 260 by 1876. Kulturkampf eased in 1880s for anti-socialist alliance. Jesuits permanently banned from Germany.