Monsoon is known as unifying bond because of the following reasons:
1) The peninsular plateau, under influence of the sea from three sides, has moderate temperatures.
2) The effect of monsoon on the Indian subcontinent is quite perceptible. The seasonal alteration of the wind systems and the associated weather conditions provide a rhythmic cycle of seasons.
3) The people of India especially the farmer from north to south and from east to west, eagerly await the arrival of the monsoon. These monsoon winds bind the whole country by providing water to set agricultural activities in motion. The river valleys which carry this water also unite as a single river valley unit.
The lithosphere is the solid, rocky crust covering the planet and the hydrosphere is composed of all the water on the planet
Answer:
I guess that the answer would be the 'political boundaries'
