Explain one way the ideas of chang han provided the economic context for Zhu Gaozhi's decision on Zheng He's voyages.

Imagine a 28-year-old man named keith is about to be released from prison after serving a seven year sentence. keith is not sure where to start when he gets out. the lease on his apartment and his job are both long gone. he has no immediate family to get him a hand, he will be completely on his own. what types of things do you think he might need with once he is released?