Still others are concerned that this escalation, whether intended or not, will lead to another endless war in the Middle East that Congress didn't sign off on. But each side's next move in their protracted shadow war was unclear.
Revolutionary Guards commander Abdollah Araghi said Iran would take "harsher revenge soon" after Tehran launched missile attacks on United States targets in Iraq in retaliation for last week's U.S. killing of an Iranian general, Tasnim news agency reported. But the strike highlighted the hard position of Iraq, caught in an ever-deepening conflict between Trump and Iran.
Trump said Islamic State presented an global problem that other countries should help address.
Iran responded to the assassination of its top commander with missile strikes against Iraqi military facilities housing US and coalition forces on Tuesday night, but no casualties resulted.
Brig-Gen Hajizadeh also said that Iran had launched cyber attacks which had disabled USA systems for tracking missiles during the strikes.
With rising tensions between the US and Iran, Brent crude rose to as high as $71.13 per barrel, surpassing the key threshold of $70 a barrel for the second time this week. -Iranian relationship have not been addressed and could flare up again, Dalia Dassa Kaye, the director of the Center for Middle East Public Policy at the Rand Corp, told RFE/RL.
While "our great American forces are prepared for anything", Trump said. EIA defines Persian Gulf states as Bahrain, Iran, Iraq, Kuwait, Qatar, Saudi Arabia, and United Arab Emirates.
Soleimani was a national hero in Iran whose funeral drew vast crowds of mourners over several days, but was viewed in the West as a unsafe and ruthless enemy.
In other remarks at the press conference, Trump indicated he wouldn't escalate the military conflict with Iran. Even with the 1973 War Powers Act, Democrats struggled during the Bush administration to try to curb operations in Iraq and bring troops home. I think the last thing we want to do is push powers into Congress' hands and take them away from the president.
"The Administration has conducted tonight's strikes in Iraq targeting high-level Iranian military officials and killing Iranian Quds Force Commander Qasem Soleimani without an Authorization for Use of Military Force (AUMF) against Iran", she wrote on January 2 immediately after the airstrike.
"I think what the president is looking for is more of our allies working with us in Iraq", she told CNBC.
Iran's supreme leader Ayatollah Ali Khamenei, who earlier promised "revenge" for Soleimani, called the missiles a "slap in the face" against the United States.
U.S. president Donald Trump on Wednesday called on the senior players in the EU - France, German and the United Kingdom - to "break away from the remnants" of the Iran deal. Nebenzya also decried what he called "extrajudicial reprisals against an official of a sovereign state".
"The brotherly Arab nation of Iraq today is in need of solidarity among its people to avoid war and becoming the site of a battle in which it would lose most", Saudi Arabia's Foreign Minister Prince Faisal bin Farhan wrote on Twitter. "He was planning imminent attacks that were larger in the region against American forces and President Donald Trump put American lives and American protection first".
In Iran, he is seen by many as a national hero who played a key role in defeating the Islamic State group and resisting Western hegemony.