Answer:
International trade between different countries is an important factor in raising living standards, providing employment and enabling consumers to enjoy a greater variety of goods. World exports of goods and services have increased to $2.34 trillion ($23,400 billion) in 2016.
Explanation:
It failed because either the change did not work well in many business settings, or it was inefficient (due to the inefficiency of the conveyer-belt system). A more accurate reason is that the circuits couldn't handle the traffic during peak hour. The customer's orders were regularly mixed up. The conveyer-belt system was not fast enough or efficient enough to handle it.
Birth is happening at a slower rate than death, resulting in a shrinking population.