Cold War 1970-1991

Who was the SALT 1 treaty signed by?

How many ICBMs and SLBMs were USA allowed after SALT 1?

One of the reason why both superpowers followed the policy of détente was because of the huge amounts of money that was being spent trying to build up their nuclear weapon numbers

Afghanistan was seen as buffer between [blank_start]Iran[blank_end] and the USSR as the USSR did not want Islam to spread across their borders. The Kabul revolution, [blank_start]1978[blank_end], was the overthrow of the Afghan royal family for a new communist president, Mohammed Taraki, who became an ally of the [blank_start]USSR[blank_end]. He introduced a communist reform and imprisoned, tortured and killed many Muslims. This made the government unstable as Taraki place in power was threatened by Hafizullah [blank_start]Amin[blank_end], deputy prime minister. Due to his anti-Islamic policies, 1000s of Afghans joined the mujahideen, a movement that claimed that they were doing a mission for [blank_start]Allah[blank_end] and wanted him dead. The SU helped Amin by providing weapons and [blank_start]advisors[blank_end].

What did President Carter do in response to the invasion of Afghanistan?