id	keyword
american_scientific_journal-2547	russian
american_scientific_journal-2547	ukraine
american_scientific_journal-2547	crimea
american_scientific_journal-2547	research
american_scientific_journal-2547	ukrainian
american_scientific_journal-2547	international
american_scientific_journal-2547	scientific
american_scientific_journal-2547	european
american_scientific_journal-2547	geopolitics
american_scientific_journal-2547	union
american_scientific_journal-2547	annexation
american_scientific_journal-2547	foreign
american_scientific_journal-2547	power
american_scientific_journal-2547	issue