前面说的是挪威和丹麦关于格陵兰岛和另一岛屿达成了一个协议,但是Later,in the suit between the two countries over which had sovereignty over Greenland.

问题描述:

前面说的是挪威和丹麦关于格陵兰岛和另一岛屿达成了一个协议,但是Later,in the suit between the two countries over which had sovereignty over Greenland.
这句应该是说后来两国对格陵兰岛都主张享有主权,in the suit 怎么解释,over which中的which指代什么,能详细翻译下吗,谢谢

the suit 指的是 lawsuit,被简化了.
over which 是 over which (of the two countries)
后来,在这两国为了格陵兰主权归属问题打的那场官司中 .