President Barack Obama's administration sent a nuclear agreement with Tehran to Congress on Sunday and Israeli Prime Minister Benjamin Netanyahu urged U.S. lawmakers to reject a deal he said would only feed an "Iranian terror machine."
In a first concrete sign of European determination to quickly rebuild economic and political ties with Iran after a 12-year standoff, German Economy Minister Sigmar Gabriel arrived in Tehran with an economic delegation. Other European powers were expected to follow.
Obama has promised to exercise his veto if Congress rejects the deal, which curbs Iran's nuclear program while allowing an easing of economic sanctions.
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