Answer:
It would be the second one
Explanation:
It looks way more better in the sentence.
The the beginning of the Civil War, President Lincoln ordered the U.S. Navy to place a blockade along almost 3,500 miles of Atlantic Coastline. This was so the Union could stop them from importing products in and from exporting their own good out of the country. Though many smaller Confederate shops were able to get out of the ports, they only had a little bit of goods, and the South needed much more to support their economy.
Headings and subheadings in a text are used to organize the text neatly, and to have the reader better understand what you are talking about.
It was given by Abraham Lincoln in Pennsylvania, during the civil war,.
