The correct answer is that they destroyed their lands to make more seem to be worthless to the whites. The accurate description of a tactic that had been used by the Cherokees to keep the white settlers from taking their land is that they destroyed it to makes it seem more worthless.
The leader who was in the USA was Jimmy carter. in Britain the prime minister was James Callaghan. However this is because the detente collapsed in 1979 after soviet invasion of Afghanistan.
As per the question however, in the 1980's the USA leader was Reagan and great Britain was Thatcher Margaret.
Credibility is the answer.
Service and technology companies drove the economy. The ranks of the rich included large numbers of new millionaires
