They are completely different even on their views of certain things because they don't all think alike nor do their government act the same so states are republican some are democratic and other are liberals.
First of all, you dont have the answers.
But the answer is "Companies replaced hand-operated brakes with air brakes on trains" is the best answer because this stopped many of the fatalities that were caused by brake failures." which is I say on what you are using D
Italy, Jugoslavia, Czechoslovakia, Poland, Austria, Hungary, the United States, Spain and -- most important of all -- Turkey. 9 neighbors! Wow that’s a lot lol... hope this helped and don’t forget if you think this was the best answer to give me branniest answer :-)
It is b sensation im 100 percent sure