The main ideas of paragraphs 301 and 302 differ in terms of the nature of the infractions.
The correct answer to the given question is option A).
The main ideas of paragraphs 301 and 302 can be compared and contrasted as follows:
Paragraph 301 states that both infractions are felonies, but the two infractions involve weight differences.
Paragraph 302 states that both infractions involve willful destruction, but the infractions differ on the type and extent of the damage done to a vessel.
Therefore, the main ideas of the two paragraphs differ in terms of the nature of the infractions. Paragraph 301 focuses on weight differences, while paragraph 302 focuses on the type and extent of the damage inflicted on a vessel.