“The Trump administration’s effort to unwind decades of sanctions as part of a deal to end the war with Iran has created a head-spinning situation for governments, banks and other companies as they contemplate a shifting patchwork of new permissions and old restrictions,” Bloomberg reports.“Following the revolution in 1979, Iran became one of the most sanctioned nations on Earth over its nuclear program and support for regional militias. But the White House is now orchestrating a stunning reversal as part of a broader deal to open the Strait of Hormuz, lower global energy prices and end its unpopular war.”