The main difference between ancient Greek cities and modern US states is that Greek city states were ruled by kings obviously because they didn't yet have the true concept of democracy - D. They also had their own laws but so do US states.
Answer:
a. growing cities in the East
b.new railroads and refrigerated cars.
c.barbed-wire fences
Explanation:
The 1800s were a period of discovering economic potentials in the United States that saw many ventures being initiated. Coupled with new technologies, theses ventures such as meat production and mining, saw profits increase and became big businesses.
Cattle for example experienced a massive growth that was brought by the cities in the east growing in size and demanding more meat to feed their populations. This demand coupled with new railroads and refrigerated cars meant that the meat could be transported long distances to these cities without worrying about them getting spoiled.
Also, with improvements in barbed-wire technology, land-owning ranchers could prevent other livestock from grazing on their fields while they themselves allowed theirs to graze. This led to cows eating healthier and therefore having more meat.
Steel. During the industrial revolution, steel had a major increase in production. A way to remember this is to remember the man Carnegie Steel who ran a monopoly that controlled the steel industry during the Industrial Revolution.
