According to "the great depression," why were economic conditions in 1929 "unsustainable"?

These conditions rested on a foundation of false prosperity, created by debt and inflated values.

Explanation:

i just did it

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class