Did Obama send $1.7 bn cash to Iran amid detainee release?

In 2016, the Obama administration transferred $1.7 billion to Iran to settle a 1970s arms deal dispute. Delivered in foreign cash due to banking sanctions, the payment coincided with the release of American detainees. While officials defended it as a legal obligation that saved taxpayer money, critics labeled it a ransom, fueling a decade of fierce political debate.