Hey there,
Here is the answer: it is a day we celebrate the heritage of Native Americans for both native and non-native cultures to unite so the many aspects of Native culture can be shared!!
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 :)
The two countries were Germany and Russia.
The three-fifths compromise was when the Northern and Southern states decided to make an enslaved person count as 3/5 of a person for taxation and representation. This shows back then that Americans viewed slaves as property and didn't want them to count as a real person.
