The major innovative technique that allowed Henry Ford to produce an automobile that could be manufactured and sold at a reasonable cost was the assembly line, which was used in factories and allowed each employee to focus purely on a single task, instead of multiple ones, which increased efficiency.
The introduction of coins as Greek currency was a crucial economic advancement that allowed for expedited and simplified trade between varies countries within Greece's domain.
Originally, colonialism had caused a great divide between the the colonial slaves and Spanish and Portuguese people. However, owing ti the contact between slaves and owners in these colonoes, the concept of equality between races became easier to grasp for the South Americans. They started viewing the race barriers more open-mindedly. Moreover, cross-mixing caused numerous social classes to be created of mixed race.