Answer:
The growth in the given solution is horizontal growth.
Step-by-step explanation:
Horizontal growth model is the one which involves expansion of urban cover which includes converting the forest landscapes and other components of the environment which has a positive effect on the life and health of the individuals into buildings and commercial spaces for the purpose of growth.
Cities of Asia are the fastest physically growing cities, both vertically and horizontally while cities in Africa has the least upward growth. Most US cities follow the horizontal growth model.