Since Africa borders some of the world's busiest shipping lanes, the AU says, the continent needs to develop its navies and landlubbing police to counter the threat posed by piracy.
"The Mediterranean represents the Africa-Europe border, not the Africa-Italy border," Angelino Alfano, the Italian interior minister, told parliament in Rome in the wake of the disaster.
In November 2014, on a vast game farm on the South Africa-Botswana border, a yellow excavator annihilated an overgrown plot set by a river.
As a result, people of Sotho origin live on both sides of the South Africa-Lesotho border and still dispute its legitimacy.
While in international and national law it is portrayed as a strict dividing line, the north-eastern Lesotho South Africa Free State border is geographically only a small river.
What is present-day Mali became a part of French West Africa, although its borders were modified repeatedly and its name was changed as well.
Speaking with British Foreign Secretary Philip Hammond, Kerry said it is essential for airlines to keep flying to west Africa and for borders to remain open to allow for the movement of assistance and medical staff.
"Kagame's policy is similar to that of China's - embracing technology but controlling and censoring it," Reporters Without Borders Africa head Ambrose Pierre told the BBC.
In Africa and countries bordering Europe, the disease is mainly controlled using vaccination and restriction of animal movement.
Officials from countries in the East African Community and the Common Market for Eastern and Southern Africa have removed some border restrictions and lowered tariffs.
Patrick E. Tyler (NYT) AFRICA SUDAN: ALERT ON BORDER -- Sudanese troops went on alert as officials said Eritrean troops and Sudanese rebels had gathered in large numbers on Eritrea's side of the border.
