Final answer:
The word 'partisanship' in 'War in the Philippines' could be replaced with 'biases', 'factionalism', or 'sectarianism', all indicating a strong allegiance to a specific group or viewpoint.
Step-by-step explanation:
In the context of the provided text from War in the Philippines, the word partisanship refers to a strong, often blind allegiance to a particular political party or cause. A suitable replacement for the word partisanship could be biases, factionalism, or sectarianism.
These terms indicate a similar tendency of strong, potentially narrow-minded allegiance to a particular group or viewpoint that could influence public opinion and actions during war as evidenced by the historical accounts in the Philippines.