Answer:
I believe it is the pentagon and that is in Washington DC but I also know that the Pentagon is very secure
Explanation:
This is known as the Anaconda Plan.
This military strategy, developed by Union General Winfield Scott, was meant to starve the Confederacy out of their resources. Essentially, Scott felt that if the Confederacy could not trade for goods with other countries they would not be able to survive. This is due to the Confederacy's reliance on cotton as their main cash crop.
This strategy helps to explain why the US wanted to blockade trade with other countries as well as why the Union wanted to control the Mississippi River, as they knew control of this waterway could negatively impact the Confederacy's ability to transport/obtain resources.
Berlin is the captal of germany
It would be "Lake Victoria" that is the source of the White Nile River, although it should be noted that the exact point at which the two water sources converge is slightly disputed.