Britain used to be strong by colonies, but now the colonies are independent. What strength does Britain have now? What does it rely on as a big country now? !

First, patents, aircraft carriers, tanks, engines and so on. All are British patents;

The second is technology. Britain has also mastered the core technology of manufacturing. Once it breaks through, its advantages will no longer exist.

The third is nuclear weapons. Britain is one of the countries that legally possess nuclear weapons.