Olivia was the strongest player on her team she knew she couldn’t do it alone giving her most inspiring peptalk she was a field general inspiring her troops as they went into battle

The question is 'What type of comparison is used in this text?
The type of comparison used in this text is ANALOGY. 
Analogy refers to a literary device which create a relationship based on connection between two ideas. Analogy draws comparison between two things in order to better explain one of them.
The question given above uses analogy because Olivia is been compared to a field general.

As the boys sleep, military airplanes battle fiercely above the island. none of the boys sees the explosions and flashes in the clouds because the twins sam and eric, who were supposed to watch the signal fire, have fallen asleep. during the battle, a parachutist drifts down from the sky onto the island, dead.