I think it is close to 200 million years ago.
Hope it helps
Answer:
im sorry, but it's cold outside raining and All you hear is Gun Fire going Back and forth. you hear amreican troops swarming in their boats Everywhere they tell the little boy that it will be alright and rush you towards the base. then you pass out you wake up and see 2 doctors they rush you to another room. *you Blink* then you open you'r Eye's and the doctors say that your parents where Killed then you Sobb the doctors say that your leg will be alright. The doctors say that you will be alright and you fall asleep. THE END
Explanation:
thats what i think it whould look like it if was a visualiser for like A battle in the 1800s
A) Railroads
Railroads helped to transport resources, manufactured goods, and people all over North America, greatly speeding up the industrialization of the entire continent, especially the United States. Where as industrialization previously existed mostly along coastal cities where materials could quickly be shipped to and from industrial centers, the entire continent was now much more easily accessible for this.
Answer:
a culture becomes a civilization when more people join and practice the things (religion, beliefs, dress code, etc...) of the said culture