The answer I believe is Korean War
Answer: There wasn't any.
Explanation:
The Emancipation Proclamation only freed the slaves that were in rebelling states. It didn't free the slaves in the North or effect the border states at all.
C. Andrew Jackson, also if I'm correct, Martin Van Buren was also part of it.
There were many obstacles to overcome in building the canal. The dense jungle, The elevation of the mountains, Getting the soil and rock out of the way, The difference in tides between the Pacific and the Caribbean. and diseases like Malaria and Yellow Fever. I hope this helps you out and have a good day. :)
