The original Menschen A2.1 (Hueber, 2013–2015) had answer keys that worked fine. However, recent reprints and digital editions (2021–present) have:
A: No. The Kursbuch is meant for classroom use; the answers are in the separate Lehrerhandbuch. menschen a2 1 kursbuch loesungen updated
Several educational platforms host digital copies or community-curated versions of the answers: Offers various versions of the Menschen A2.1 Kursbuch PDF and its accompanying Answer Keys Google Drive Links: The original Menschen A2