With the concept of zero, we could express math (and by extension, everything) with just one concept: of there being something. This was contrasted with there not being something.
This presence/absence of something is very easily implementable in mechanical terms, which contributed to the development of hardware. So: the concept of 0 made our calculations easily physically implementable.
Women are equal and just as strong as men
Answer: Displacement
Explanation: Displacement is a form of defence mechanism where negative attitude or attributes are shifted from a threatening person (an unacceptable idea) to a less threatening person (vulnerable/acceptable) or object.
According to Freud, Madison feels his employer looks threatening (unacceptable) and he cannot approach or confront him so he unconsciousely shifts his frustrations to a less threatening person ( wife and children).