History does not always reflect progress and its for us so we know what has happened in the past.
Answer:
Because all these companies did their part on becoming a bigger industrialization
Explanation:
Representative democracy, thats what the US has too.
Your data would be better.
The reason is because the data you have made depending on where you sourced or measured your data it's most likely going to be more reputable then your friends but it's good to compare data sets if you are both working on the same thing.