How did new inventions affect the economy?

Good question, because it actually had a very big impact on the economy. The changes were almost as sudden as a punch in a boxing match But to be honest, the changes were not as sudden as most may believe them to be They actually took place over a long period of time. Although the changes were slower than most would expect, they were still very powerful changes. Ideas were spinning Improvements were made and from this... People made more money People made more money because They got things done faster! Which means They had time to make more goods. Leading to more things to sell! This effected the transport system as well. Roads were improved Turnpike roads were made, resulting in better transport.

The significance of the result is the change

The answer is option b and c.