Are you looking for a specific word? The answer is border but I see you've included this in your question so I believe you do not understand the concept.
In the early 1900s, many Americans wanted to follow a foreign policy known as isolationism or neutrality, which favored limited involvement in world affairs.
Answer:
A miditrerranean sea
B Persian gulf
E Arabian peninsula
J Suez canal
H Nile delta
C Sahara Desert
F Nubian desert
sorry but D,G,I aren't visible on the map but the stream below F is blue nile and then the stream on the left to it is white nile
Ethiopian highlands is to the right of south sudan
hope this helps!
To avoid a dictatorship. I would guess