Complex sentence: During the mid to late 1980s amidst the Iran-Iraq war and up to the first Gulf War, the US and Britain supported Saddam militarily, financially, and technologically in what became known as the "Iraq-gate" scandal.
Split into simpler sentences: During the mid to late 1980s amidst the Iran-Iraq war and up to the first Gulf War, the US and Britain provided financial and tactical support to the Iraqi government. Subsequent charges that the American administration had supported Saddam militarily and technologically became known as the "Iraq-gate" scandal.