Why was national attention drawn to william jennings bryan and clarence darrow in the scopes trial of 1925

During the William Jennings Bryan and Clarence Darrow's trial ruled that Tennessee teachers could not teach any theories that disputed Christianity. During the period, a teacher was jailed for teaching John T. Scope. The law remained on the docket for thirty years. Science and religion were not evolving together.

Why was national attention drawn to William Jennings Bryan and Clarence Darrow in the scopes trial of 1925.
The case represented the conflict between modern science and religion. Scopes was found guilty and fined $100 (almost $1,300 in today's money).