Which of the following is likely to describe the state of the world’s superpowers in the future?

There will be two world superpowers, and all the world’s states will be aligned with one of the two powers.
An Asian state will amass greater power than the United States and emerge as the world’s lone superpower.
New states will achieve superpower status and join the United States among the world’s superpowers.
The majority of the world’s states will achieve equal amounts of power, and no one state will have more power than another.
I only
II only
III only
I and IV
II, III, and IV