Answer:
congress didn't have the power to tax, or to regulate foreign and interstate commerce.
Athen's was close to the sea so it was easy to trade with others
Even without complete isolation, the infant monkeys raised without mothers developed social deficits, showing reclusive tendencies and clinging to their cloth diapers. ... Harlow's work showed that infants also turned to inanimate surrogate mothers for comfort when they were faced with new and scary situations.