Appropriations Subcommittee Structure: History of Changes from 1920 to 2023.

The article focuses on evolution of the House and Senate Appropriations Committees' subcommittee structure from the 1920s to the present. It mentions stretching roughly from the initial reorganization in the 1920s until the end of the Second World War, was marked by stability. It also mentions subcommittees to consider appropriations for the newly created Department of Homeland Security and changes did not represent major shifts in jurisdiction.