Expansionist policies refer to the strategies and actions taken by a nation to extend its territory, influence, or control over other regions. These policies are often driven by economic interests, national security concerns, and a desire for political power. In the context of modern Japan, particularly during the Meiji period following the 1889 Constitution, expansionist policies were closely linked to the emergence of party politics, as various political factions advocated for different approaches to national growth and international standing.