Answer:
Climate, resources, cheap labor and outsourcing of manufacturing jobs.
Step-by-step explanation:
As a developed country, labor cost are higher in the US in comparison to most of world. US consumers expect best price for their money. So many manufacturers have moved overseas to keep labor cost low and make a better profit while satisfying their consumers. Then mass ship items to keep cost low. Also some produced can only be grown in climates that the US doesn't have. There are some resources the US have that others countries. The mineral gold is much more plentiful in Africa but is widely used in electronics. The US is a prime buyer of electronics.