id	keyword
american_scientific_journal-4692	trade
american_scientific_journal-4692	growth
american_scientific_journal-4692	import
american_scientific_journal-4692	import growth
american_scientific_journal-4692	tariff
american_scientific_journal-4692	liberalization
american_scientific_journal-4692	countries
american_scientific_journal-4692	exchange
american_scientific_journal-4692	effect
american_scientific_journal-4692	wto