Name two geographic obstacles and one political obstacle that stood in the way of the construction of the Panama Canal. How did engineers and politicians overcome these obstacles?

@Ms. Sue @Reed
I don't want answers, just links. Thanks!

3 answers

https://www.google.com/search?source=hp&ei=8HQEW4m3B8jm5gKYl4H4Bw&q=construction+of+the+Panama+Canal.&oq=construction+of+the+Panama+Canal.&gs_l=psy-ab.3..0i22i30k1l10.4065.4065.0.5613.3.2.0.0.0.0.144.144.0j1.2.0....0...1c.1.64.psy-ab..1.2.300.6..35i39k1.156.xPuu86r7suI
Thank you Ms. Sue!!
You've helped me on all of my assignments today and I'm very grateful!!
You are very welcome.