When Esperanza and the others stop their wagon ride to eat lunch in Los Angeles, why does Esperanza cry?

When they stop for lunch, Esperanza wanders off on her own. As she looks out at the valleys below, she thinks about how Papa taught her to feel connected with the land. Esperanza tries to hear the heartbeat of the earth but she cannot, which frustrates her.

Explanation:

This frustrating her making her cry.

the nation will get back everything that was lost

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the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).