Answer:
Leif Eriksson
Explanation:
Eriksson was a viking and traveled to the NEW World young.
Hope this helps!
The Florida Purchase Treaty.
Answer:
The answer should be: Companies replaced hand-operated brakes with air brakes on trains.
Explanation:
You have to think how hard it was for trains to stop with hand operated brakes. Trains go fast, and not stopping in time can be dangerous. Hope this helped :)
Answer:
A. The civilization must make extraordinary achievements in areas such as art and science.
Explanation: Hope this works! :) If not, I am sorry. :( If it does, Your Welcome! :)
