German Chancellor Angela Merkel is signaling it won't be feasible to offer wide-ranging compensation to European companies affected by US sanctions over Iran's nuclear program.
European Union leaders also laid out the main lines of their strategy in the trade dispute with the US.
But the row with the United States over the Cuba embargo was settled politically, so the effectiveness of the blocking regulation has never been put to the test.
However, before India expressed its unhappiness over Trump's action, British Premier Theresa May, French President Emmanuel Macron and German Chancellor Angela Merkel issued a joint statement expressing their "regret and concern" over the USA move to walk out of the Iran nuclear deal.
Earlier on Thursday, French President Emmanuel Macron, who had tried and failed to persuade Trump not to abandon the Iran deal, also asserted Europe's readiness to dismiss USA demands, saying companies should make their own choices.
European Union leaders of the 28 members states discussed Trump's decision to break away from the 2015 deal with Iran, which saw Tehran agreeing to rein in its nuclear capabilities in exchange for the lifting of economic sanctions.
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She has specified that this means that any pipeline construction project in the world could potentially be under sanctions. The pipeline, to be built by 2022, is aimed at reducing reliance on Russian gas.
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It was followed by another infiltration bid in Samba sector but the same was foiled by the BSF jawans. The slain jawan was identified as 28-year-old constable Sitaram Upadhyay of 192 Battalion.
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"Unpredictability is the last thing we need with friends and family". Meanwhile, German insurer Allianz and the world's largest container shipping firm, Denmark's A P Moller-Maersk Tankers, said they were winding down their businesses in Iran, while German giant Siemens said it would not be able to do undertake any new commercial activity with Tehran.
This would be a massive blow to the Iranian Regime, who have heralded the 2017 Total deal as a sign that the accord was working in their favour.
Beijing and Moscow have also stepped up efforts to save the deal.
Russian firms have less to lose from bucking United States sanctions.
That came a day after many European newspapers featured dueling photographs on their front pages: the beaming visage of first daughter Ivanka Trump opening the new US Embassy in Jerusalem, and the smoky carnage an hour's drive away in Gaza, where scores of Palestinian protesters were killed by the Israeli military. Plus, Iran has learned, as the world has learned, that giving up its defenses like Iraq and Libya did, does not guarantee peace and security; it encourages even more aggression.
"Under the prerequisite of not violating its worldwide obligations, the Chinese side will continue to carry out normal and transparent practical cooperation with Iran", said foreign ministry spokesman Geng Shuang. "That isn't a sustainable path for us", Taoiseach Leo Varadkar said.
Trump's approach to tariffs combined with his unilateral withdrawal from the Iran nuclear agreement are costing Europe time and money, and some leaders are weighing whether a new approach is needed.