Answer:
Ancient India cast system
Russia what does that mean?
I believe the document is the Emancipation Proclamation, and it was issued by president Abraham Lincoln.
To my knowledge, the correct answer among all of the given choices is C.) Steam. If I'm not mistaken, this was the time that more trains came into use.
I hope this is the answer you were looking for and that it helps!! :)
Hey there!
The answer is a Chancellor
Hope it helped!