C. Migration from Ecuador's rural areas to its city centers, as well as emigration to other countries, has primarily been a result of economic crises.
A. MIGRATION
D. Instability for children, economic distress, tension between migrants and locals, cultural erosion, worker exploitation, and other social problems.
B. Migration can be :
4. NEGATIVE EFFECTS OF MIGRATION
1. It is the movement of a person or a group of people to settle in another place, often across a political or administrative boundary.
2. Temporal or permanent, and it may be voluntary or forced.