What was significant about the battle of lepanto

What directive in source a might have been at the root of the action described in source b?

As the coach of the u.s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u.s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

Will have the greatest effect on human health. pollution in the a. troposphere b. stratosphere mesosphere d. thermosphere