Question

Which imperial power ruled china in 20th century?

Answer 1

Hy
Here is your answer
=================
✴The Red Army's victory ended the longest

Answer 2

Qing dynasty
---------------------------
Qing dynasty ruled China in the 20th century

---------------------------------------------

1) Qing dynasty was the last Dynasty of China 

2) This Dynasty Ruled the china at the end of 19th century and the beginning of the 20th century 

3) Qing dynasty was the 4th largest empire by Area