Involvement is the stage in the Butler sequence where:

Select one:

a$.$ visitor numbers and tourism growth stagnate due to the deterioration of the product.

b$.$ tourism growth is accelerated because tourism becomes a dominant feature in the destination's economy.

c$.$ the local community responds to the opportunities created by tourism by offering specialised services due to a gradual increase in visitor numbers.

d$.$ the international community responds to the opportunities created by tourism by offering specialised services due to a gradual decrease in visitor numbers.