What are the types of migration according to the space of displacement? Migration International occurs when the migrant moves from their country o...

What are the types of migration according to the space of displacement?

Migration International occurs when the migrant moves from their country of origin to another country.
Migration Internal occurs when the migrant moves within the same country.
Migration inter-regional occurs when the migrant moves from one region to another.
Migration intra-regional occurs when the individual moves within the same region.
a) Only I and II are correct.
b) Only III and IV are correct.
c) Only I, II and III are correct.
d) All statements are correct.