Answer:
Nuclear fusion
Explanation:
Stars are powered by nuclear fusion in their cores, mostly converting hydrogen into helium.
A. Computers have become smaller and more efficient.
They both used Decentralized government
They both distribute their governmental power into several locations, to make sure that they reach each corner of the countries while still maintaining control from the central government
These smaller Authorities can enforce their own decision making, but they still have to follow the guidelines from the central government
