<span>Due to the fact that landlocked countries face the threat of being surrounded by foreign countries, negotiating and implementing a deal with a larger coastal country has security benefits for the landlocked country, and access to trade routes that would otherwise be blocked.</span>
I'm just going to write few more things to the answers
Typewriters, gasoline, bicycles, footwear, silk, nylon, fuel oil, stoves, meat, lard, shortening and oils, cheese, butter, margarine, processed foods (canned, bottled, and frozen), dried fruits, canned milk, firewood and coal, jams, jellies and fruit butter.
4. China and Korea
Because he used Korea to invade Japan
For starters, if you believe that a court has wronged you, you can seek justice from courts of appeal that revise the decision to make sure that it was properly made. If you still think that they've wronged you after that, you can ask for the help of the supreme court which checks whether it was constitutional what they did. There are many steps that you can undertake.