Democracy is technically young men killing each other in war. Freedom is the will of not being under laws or rules. Democracy is the law of not being under other rules. Freedom, is just eventful till new rules and laws come.
They can boil old nasty "gray water", or they can make a desalinator and remove the salt which works kinda like a moonshine still by boiling the water and then cooling the steam down and out the other end comes fresh water, or they can catch rain water.
A strong dollar makes imports less expensive and foreign travel cheaper. A weak dollar makes imports more expensive and foreign travel more expensive.