Suppose the production of 12 tons of copper in the united states requires the same amount of resources as the production of 1 ton of aluminum. in mexico, 12 tons of copper requires the same amount of resources as 2 tons of aluminum. implicitly:

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.