Answer:
Explanation:
It was originally intended to shorten the sailing time between the Atlantic and Pacific Oceans. Were it not there, a ship would have to travel to the lowest tip of South America and back up again. It would extend any trip by not a trivial amount of time.
Answer:
US and the U.S.S.R (russia)
Explanation:
Foreign leaders helped train the continental army, CCCCCC
No, developed countries aren't facing the challenge of hight birth rates, instead, they are facing problems like: corruption, bad policies, and lack of infrastructure along with conflict from other countries or within their own.