Refer to Where Is Niagara Falls? for a complete version of this text. In Chapter 3, Homan Walsh enters a kite-flying contest that is staged to find a way to stretch a rope across the gorge at Niagara Falls.

Which detail best explains why Walsh fails to win the contest on his first try?

“The ferryboats weren't running.”

“Now Homan was stranded in Canada at midnight, alone."

“But when the kite fell to the ground, the string broke!”

“And he couldn't get back home because there was too much ice on the river!”