Important Boundaries of within World

LINE	COUNTRY
1.      Durand Line	Pakistan, & Afghanistan
2.      Mac Mohan Line	India,   &  China,
3.      Radcliff	India,  & Pakistan
4.      Maginot Line	France & Germany
5.      Oder Niesse Line	Germany &Poland
6.      Hindenberg Line	Poland & Germany(at the time of First World War)
7.      38th Parallel	North  & South Korea
8.      49th Parallel	USA &Canada