Answer:
more than 9022 miles in active service.
Explanation:
The 1850s were a defining decade in American railroading as scattered systems became an organized and fluid interstate system. What began in the 1820s as local ventures, serving a specific purpose, had transformed into an indispensable transportation network by 1850. At that time there were a total of 9,022 miles in active service.
I believe the answer is: watching animals interact at the zoo.
When we watch animals interact at the zoo, could easily a similar social structure just like what we see in human (especially if we observe primates)
In primates social structure, we could see that they possess a hierarchy where one alpha primate decide the course of action that taken by group, and would make protective attempt if the group is in danger. As a return, the alpha primate would obtain the most resource compared to the follower.
Explanation:
active participation of people means participation of people to give voted during elections. It is important for a country as this would bring new and efficient leaders to improve a country's development.
I think 2
Georgia and Alabama
