Rural Americans were much more self-sufficient than Urban Americans. They had farms or often went hunting or similar things and didn't rely that much on money and getting manufactured goods or store-bought food. Urban Americans however had other opportunities such as higher chance of chasing their careers or educating themselves or participating in daily life and political events and similar things.
They spread trade across the Mediterranean and through the Asian, African and European continents.
<span> In the Vedic Age trade was limited because of
isolationism, causing people not to trade with each other
poor roads, causing people to use the river ways to engage in trade
poor trading products, causing people not to desire the goods others made
widespread war, causing trade to stop between groups in conflict</span>
