When workers were indispensable
From the massive buildup of WW1, the ultimate expression of a bold new industrial power:
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Wanna city? We'll build it! Exactly $686,590.
I don't think Aladdin ever got a contract to build a complete city. The WW1 boom disappeared quickly, leaving a giant depression. But Aladdin did fill quite a few neighborhoods with decent low-priced houses for workers, until it faded around 1940.