Answer:
Among the options given on the question the correct answer is option D.
They increase productivity and led to an economic growth.
Explanation:The innovation listed on the table are robotics, computer management and just in time production is key factors in the industrial production of the USA in the late 20th century.
These innovations has increased the productivity and led to a economic growth. The use of robotics has made the production more easier and faster. The tasks which are even dangerous for human in the factories they are easily done by the robots. The difficult works are done in time with the help of robotics which increased the efficiency of the work.
Computer management is also a key innovation for business industry. Before the management was run by only human , but the innovation of the computer management has made the work perfect. As a result the work efficiency has increased.
Moreover the connection of the robotics and the computer management has made possible just in time production which made the production rate up to the customer demand.
All these innovation increased productivity led to the to a economic growth.
