The administration sees this added pressure on Iran 's fragile economy as an effective alternative to military strikes . Iran has threatened to block flow of oil through Strait of Hormuz if U.S. sanctions its oil . U.S. Navy has warned that disruption in traffic will not be tolerated . Comment: He says the first casualty in a battle could be the world economy .
Iran has threatened to block flow of oil through Strait of Hormuz if U.S. sanctions its oil . U.S. Navy has warned that disruption in traffic will not be tolerated . Comment: He says the first casualty in a battle could be the world economy .