Yes (was produced by an employee of the US government in the exercise of their duty)
No (was not produced by an employee of the US government)
Yes (published before 1923)
No (work by Canadian government employees is protected by copyright for 50 years under “Crown copyright.” We did not necessarily expect you to delve into Canadian law here, but hope the provenance of the image made you realize that that is the source that you’d have to check to answer the question, and brought home the point that you should assume a work is under copyright unless you know otherwise.)