The debt in this passage is refering to the US's debt.
Answer:
Classical zen gardens were created at temples of Zen Buddhism in Kyoto during the Muromachi period. They were intended to imitate the essence of nature, not its actual appearance, and to serve as an aid to meditation about the true meaning of existence.
Explanation:
Grant fefused many of Lee's surrender. Grant didnt want to give Lee and terms. Grant said Unconditional surrender (non-negotiable (cause Grant didnt want Lee to ask for money or other things if he surrenders)) or war. This became a very famous speech and gave grant the nickname Ulysses "Unconditional" Grant. Lee eventually agreed to unconditional surrender.
He had his own citizens punished and executed