<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?vikwazo vilivyowekwa mwaka uliopita na marekani na umoja wa ulaya, vinajumuisha kuzuia mafuta ya iran kusafirishwa kwenda nje ya nchi kwa karibu mapipa milioni moja kwa siku.  <response>: u.s. and european union sanctions imposed in 2011 have also slashed irans oil exports by more than one million barrels per day. 