Answer:
A
Explanation:
They mostly rely on the agricultural sectors of their economies
The cultural separation between the two groups in Ireland is between the Catholics and the Protestants - this is the best answer. The second typically live in Northern Ireland and are British Citizens.
(There is also another separation between the Irish an the English speaking people but it's not as strict)
It worked to end a system of racial segregation in South Africa called Apartheid.
