I believe the 13 colonies.
Answer: Flat, Firm
Explanation:
As temperatures drop in the wintertime, it will cause the air to become denser and consequently lower the tire pressure
i think it was the aviation because they were constly upgrading
During the 1920s, Southern Railway operated one hundred daily trains
Answer: D the social and economic conditions that surround it
I say they both are very competitive but my opinion neither has what it takes they fight to much one disses people when hes ticked and the other thats a different story but i say they both have some good quality ones a hardworker the other would do what they can to get what they want. Hope this helps because my opinion i care for neither.