If you’re involved in international business, the country to watch right now is Russia. Moves by the country which seems intent on isolating itself could impact your business. Russia recently announced its plans to ban or limit agricultural imports from countries that had imposed sanctions on it. Dmitri A. Medvedev, Russia’s prime minister, announced that “all beef, pork, fruit, vegetables and dairy products from the European Union, the United States, Canada, Australia and Norway” would be banned for one year.