Write two-three sentences explaining whether this document could be used to support washington’s account.

Depending where it comes from who and what governmental agency certified it or who is presenting it as well when.  

Explanation:

Only can be accountable if that certified by a government's seal, federal certification seal or an ancient certified document by experts certified previously by the same government.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; critical thinking;