impearilism By xochitlalaniz 1757 british east india company had controlled most of india 1823 monroe doctrine 1839 opium war in china 1842 treaty of nanjing 1857 rumor spread amongst indians, causing the sepoy revolution 1858 britian officially took over india 1898 spanish-american war phillipines joins us side against spain 1900 boxer rebellion 1904 roosevelt corollary added to the monroe doctrine 1911 chinese rebelled and overthrew monarchy 1911 sun yat-sen was named president of the republic of china