Russian (Ukrainian) communities in Europe and the USA. Each Slavic girl who comes to another country as a spouse or a bride at first has very difficult time adapting. Many of them meet a so-called cultural shock: foreign culture, traditions, style and attitude to life. That's why you and just you - have to become her real support and assist her. You should try to help her to settle down in your country. Try to talk more with your wife, try to find out what she does not understand and what is unacceptable.
Yes, she will always compare her country and its culture with yours, but since she's going to live in this country, raise children, she would have to get used to the novelty, it does not mean that she should break yourself - give up everything familiar, and become re-born. She should try to think differently, to feel this unknown to her nation. That to avoid homesickness, try to find together Russian (Ukrainian-speaking) communities.
They exist in every country. Write on a search engine the Russians in U.S. or Ukrainians in Canada, European Russians, Russian-speaking diaspora in the search engine, you can view a list of various organizations and communities, who are happy to get you in their ranks.

It is in the first minutes of being in your country your girlfriend or a wife will face many problems: lack of understanding of the language, the rejection of points of view, loneliness, isolation, boredom, that's why she needs to find like-minded friends with whom she can talk in their own language, to discuss their political news of the native country, to visit some event, possibly with the involvement of Russian and Ukrainian pop stars, advice on what to ask the doctor better.
In general, your task in the period of adaptation - in every way to support your woman, and do not to forbid her to meet her friend and fellow countrymen, to pay for her Russian and Ukrainian channels, publications. If possible, visit with her some of the activities organized by the Russian or Ukrainian speaking immigrants, because in this way you can learn more about her interests and hobbies, and she can feel your support and your interest to facilitate during her adaptation period. Many members of the community or the diaspora in Europe, Canada and the U.S. are friendly to communicate, in the case you need something they can give you advice, but do not count on the fact that they will be happy to assist you to translate your documents free of charge in the case your second half does not speak a foreign language, or in the future, to help her to find work.
After all, each of them more or less ran into some problems and difficulties in the immigration process and cannot quite willing to share, how to keep your nerves in various critical situations, that's why be sure that your spouse in a difficult period of adaptation will rely on you!