Inedible means something that con not be eaten, it can be because it would make you sick or because is something that shouldn´t be eaten or because you simply won´t like how it tastes or feels like, in this case the jelly soaked in the bread may make it too soft to be enjoyable.
Gatsby is killed because Tom Buchanan told Mr. Wilson that Jay Gatsby had killed Myrtle even though Daisy Buchanan was the one behind the wheel when Myrtle was struck. Therefore, Mr. Wilson believes that Gatsby killed his wife Myrtle Wilson.
One example that Antony gives to prove that Caesar was not ambitious was that he was bringing in prisoners and giving money to Rome. Other examples given were that when the poor cried Caesar cried too and that he refused the crown 3 times.
