Which event foreshadows a conflict between ralph and jack?

the out-of-control fire

jack's sarcastic clapping when ralph is elected chief

ralph standing on his head.

the boys exploring the island together.

Jack's sarcastic clapping when Ralph is elected chief.

The conflict between Ralph and Jack is one of the most important ones in the book. As the children are trying to figure out how to better govern themselves, they have some struggles with power. One episode that foreshadows this conflict occurs when Jack claps sarcastically after Ralph is elected chief.

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.