4 I think so maybe I don’t know
The civil war and great depression we're Times of crisis, leading to a need for new ideas and action by the government
Adopted meridian time zones to standardize local time
I believe their high sense of nationalism made them have ideas of gaining wealth to lift the economy of their country. Expanding territories in the name of their country brings them pride, honor and glory. Trade with outside countries and exploration of new cultures help them learn, improve and share their knowledge to others.
Answer:
A primary Source
It's a Primary Source because it was written by Abraham Lincoln himself.