You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
National_Archives_and_Records_Administration

Context:
The National Archives Building in downtown Washington holds record collections such as all existing federal census records, ships' passenger lists, military unit records from the American Revolution to the Philippine–American War, records of the Confederate government, the Freedmen's Bureau records, and pension and land records.

Question:
What's the latest war The National Archives Building has military unit records for?

Philippine–American War