How is the president a 'unifying force' in our highly dispersed political system?

The role of the president has grown from that of a largely honorary officer to a powerful leader in national and international affairs. He is the single, unifying force in a political system in which power is highly dispersed.

hello

question:

when would a new household be started?

a.when the oldest male died

b.when a man and a woman married

c.when the house could not hold everyone

d.when a child was born

answer: us d when a child was born

hope this have a great day and brainlest

answer; under developed;