![Russia-Ukraine crisis: where is Ukraine, where are Russian troops and how long has Ukraine been an independent country?](https://cdn.newsserve.net/ONPglobe256.png)
Russia-Ukraine crisis: where is Ukraine, where are Russian troops and how long has Ukraine been an independent country?
Ukraine's efforts to join Nato are fiercely opposed by Russia, which is keen to stop the US-led military alliance from expanding further into eastern Europe.
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