1. Which detail from the selection most effectively helps to develop the key idea that the Wars of the Roses were based on conflicting claims to the English throne?
"The reference to roses came from the heraldic badges of the
two houses: the white rose of York and the red rose of
Lancaster."
(lines 4-6)
"However, the English kingdom devolved into chaos under
Henry VI and the king's council, a group of aristocrats in charge
of the kingdom's management" (lines 9-11)
"Henry recovered two years later, and the Lancastrians sought
to regain control of the kingdom." (línes 15-16)
"The House of Tudor, beginning with King Henry VII,
established its rule and retained the crown until Queen
Elizabeth I's death in 1603." (lines 20-22)

The detail from the selection that effectively helps to develop the key idea that the Wars of the Roses were due to the conflicting claims to the English throne is However, the English kingdom devolved into chaos under Henry VI and the king's council, a group of aristocrats in charge of the kingdom's management" (lines 9-11).

The central idea is the main element in the story that unifies the story. In this case, it's the main idea in the story that the author wants the readers to know.

Since the key idea, in this case is about conflict, the lines that illustrate this is when the English kingdom devolved into chaos under Henry VI .

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realistic fiction depicts life and society in a true to life  manner.

its main characters are dynamic.

they grow and transform with their experiences, making it easier for readers to  relate to them.

this genre primarily focuses on the  daily struggles  of ordinary people, validating their experiences.

hope that ! : )

i think the correct answer is b. phrase