The correct answer is 3) building roads for automobiles.
<em>An example of city improvement during the late 1800s was building roads for automobiles.</em>
In that time, the automobile industry was developing and cities did not have the number of roads or the quality of roads to be used by the automobile. So as the car industry grew, cities needed roads for this mean of transportation that became so popular although expensive for its time. So one sign of modernity in the late 1800s was the building of new roads for automobiles which showed how a city was improving in its services.
This is known as the Columbian Exchange; option A. This includes for example Coffee and Chocolate (the plants); which are today to a great degree cultivated in a continent different than the one they originally evolved on. <span />
I would say the Hittites and the Celts. The Hittites thrived and disbanded before the beginnings of the Roman empire. The Celts were absorbed by the Romans but were keen to follow their ways.
