Relations between Tehran and Washington reached crisis point in 2018 after President Donald Trump abandoned a 2015 pact between Iran and world powers under which Tehran accepted curbs to its nuclear programme in return for the lifting of sanctions.
As Pakistan expects more Turkish investment, Turkey aims to diversify its economic cooperations.
With Saudi Arabia and the UAE increasingly using the GCC for their own ends, other Gulf countries are considering going a separate way.
The resolution will head to the Democratic-led House of Representatives, which passed a similar text last month.
The US wants to draw down on Afghanistan so that it can focus on other theatres after almost 20 years of war.
Turkish President Erdogan's visit to Pakistan comes at a testing time for both countries and speaks to the durable nature of the relationship.
In the Sochi deal, Turkey and Russia agreed to set up a demilitarised zone in Idlib, in which acts of aggression are expressly prohibited.
A vote on the war powers resolution could take place as early as Thursday, amid concerns that Trump could embark on open military conflict with Tehran without consulting Congress.
That Democratic Party candidates have failed to mention Syria or Bashar al Assad when talking foreign policy is a worrying sign that the US will continue its failed Syria policy.
The downing of the Ukrainian airliner, a harsh crackdown on protests and a drastic vetting system could mean Iranians stay home in large numbers on election day.
In Tehran's iconic Azadi Square, President Hassan Rouhani took the opportunity to remind the US their ally the Shah had to flee the country some 41 years ago.
Turkey's President Erdogan says a resounding blow has been dealt to Bashar al Assad's regime over attack on Turkish soldiers.
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