“if Republic of China want to become Republic of Taiwan, they probably should publish the declaration of independence”

They don’t have that choice. While independence is quite popular in Taiwan, the PRC has made it very clear that they see any movement toward Taiwanese independence as cause for war. Going so far as to fire literal warning shots over the island in 2022 and 1996.

But the PRC is not a direct continuation of the Qing.

The USA can’t lay claim to Great Britain just because they used to part of the same country before the revolution.

There are LED bars for mounting in your rear windows to display text to those behind you

Aluminium smelting is so energy intensive that Iceland, a country with a population of less than 400 000, is the world’s 12th largest producer of it, even though the raw materials aren’t mined there. Iceland just has cheap geothermal and hydroelectric power.