Simplify the following text for a Grade 9 native English-speaking person.
Original: In the 1940s , Lima started a period of rapid growth spurred by migration from the Andean regions of Peru , as rural people sought better opportunities for work and education .
Simplified: In the 1940s , Lima started a period of rapid growth , with the migration from the Andean regions of Peru , as rural people . They wanted to find better opportunities for work and education .