Why were the maps redrawn in poem Geography lesson by Brian Patten?

The maps were redrawn in the poem "Geography Lesson" by Brian Patten to symbolize the ever-changing nature of political boundaries and the arbitrary divisions of land among countries. The speaker is reflecting on how the maps have been redrawn throughout history, often driven by wars and conflicts, altering the political landscapes and the identities of nations. The redrawn maps serve as a reminder of the transient nature of geopolitical structures and the ongoing redrawing of borders that shape our world.