technological

Regarding the high level of performances witnessed in Tokyo, and increasing standards overall, Coe pinpointed technological advances in the synthetic track surface, the shoes worn by the athletes, and improving coaching skills and methods.

At the time, Commerce Secretary Howard Lutnick called the White House investment a "historic" agreement that "strengthens US leadership in semiconductors, which will both grow our economy and help secure America's technological edge".

Amendments were increasingly tied to technological innovations and quirky moral crusades, such as Prohibition.

Starting in the 1980s, he says, rural Americans started to feel alienated and left behind while cities benefited from globalisation and technological change.

As they compete to gain a technological edge, Beijing and Washington have also grown increasingly wary of each other.