It is called Imperialism. Please see one example of such policy on the related questions below.
Japan!
sun belt;)
true
the first two decades of the twentieth century
Hispanic
Underwear made of knitted wool dominated throughout the first two decades of the twentieth century.
In the two decades from 1975 to 1995, Americans increased their pasta consumption by 90 percent.
Its 10. 10 decades = 1 century.
10 decades in 1 century
There are 5 decades in half a century.
Ten decades equal one century therefore twenty decades equal two centuries.
There are 20 decades.