The Manhattan Project's goal was to build a weapon using nuclear fission.
Notes on verification
Well-documented historical fact confirmed by multiple authoritative sources including government archives and encyclopedic references. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.925 clusters=2 claim_tier=everyday]
Sources
- History of nuclear weapons (wikipedia)
- https://home.nps.gov/articles/000/the-gadget.htm (corroboration)
- https://www.history.com/articles/the-manhattan-project (corroboration)