The correct answer to this question is letter B.its ability to form endospores in harsh conditions
The bacterium Bacillus anthracis, which causes anthrax, has been developed as a biological warfare agent. The ability that could have led to this is that its ability to form endospores in harsh conditions
Anthrax usually form endospores in non-bacteria friendly environments, meaning they could get into places that would otherwise be hygienic and infect individuals.