What is the approximate time period of the simple trade era?

1800s up to the 1850s

Explanation:

Simple trade era started around the 1800s up to the 1850s

In the simple trade era, everything was harvested or made by hand.  Most of what people produced was meant for consumption within the household. Any excess was traded for other goods. The commodities produced were basic items to meet basic needs.  Production was limited; hence there was no need for marketing.

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