Maps of boundaries in Europe before and after the First World War would provide information about

While alliances played a crucial role in the lead-up to the First World War, maps of boundaries do not directly depict these alliances. Instead, they focus on territorial divisions and changes that occurred post-war, making this choice irrelevant to the question.

Colonial independence movements, although influential, primarily pertained to territories outside Europe and were not the focus of boundary maps. These movements gained momentum during and after the war but do not relate to the specific changes in European boundaries shown in the maps.

While new political ideologies such as communism and fascism did emerge in the aftermath of the war, maps do not convey ideological changes. They illustrate territorial and political restructuring rather than the abstract concepts of ideology that developed within those new borders.