YES:)
Yes, the league of nations was able to achieve free trade in the 1920's. It successfully advocated for reduced tariffs and fair opportunities for all countries to trade with others with the exception of illegal goods like fire arms and slaves.
Trade barriers can harm the society in that they may only be able to afford inferior domestic products due to tariffs. They also can keep technology lacking if a nation with a new technology is unable to distribute it internationally.
Cheap food products
not in my book
So it can further its existence
It can be successfully treated if caught early enough.
All Pokemon, when caught, become tame automatically. Only Pokemon obtained through a trade will rebel. To successfully control them, you must have the appropriate gym badges (all gym badges - able to control all Pokemon).
If you're able to trade in your iPhone for an iPhone 6 depends on the type of phone someone currently has and the provider doing the trade.
To able to trade your currency go on this website you can find a lot different way to trade currency.
Pokemon is not an easy feat. To this day, nobody has been able to successfully pokemon.
Usually its because they are healthy.
Your twin was able to successfully duplicate your vocal characteristics.