Why have manufacturing jobs moved from their traditional center in the Rust Belt to other regions in North America and regions outside of North America?

To lower labor cost

Explanation:

Other areas in North America and outside is are more labour intensive than Rust belt, so to lower labor cost which in turn lower cost of production, manufacturing jobs had to move.

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i believe the answer is: true

our brain need to reach a certain level of development   before it could interpret and understood sound with high difficulties. to proof this, we just need to pay attention in musical preference between children and adults. it is far less likely that children would enjoy things such as orchestra or rock band as much as adults due to the difference in this ability.