Although Britain or more accurately the United Kingdom was the first "Nation State", the first "Nation" where more than 50% of the population worked in industry was Wales which is part of the nation state of the United Kingdom but also a nation in the broader dictionary definition of the word nation.
na·tion   /ˈneɪʃən/ Show Spelled[ney-shuhn] Show IPA-noun1.a large body of people, associated with a particular territory, that is sufficiently conscious of its unity to seek or to possess a government peculiarly its own: The president spoke to the nation about the new tax.
2.the territory or country itself: the nations of Central America.
3.a member tribe of an American Indian confederation.
4.an aggregation of persons of the same ethnic family, often speaking the same language or cognate languages
Kuwait
Britain is the European nation that industrialized rapidly after 1850.
C: third world counrty
Meiji
It had the necessary factors of production
improved health
industrialized
Kuwait
Rome.
Egypt
Some of the industries that make Brazil an industrialized nation are the automobile and aircraft industries. The mining industry also makes it an industrialized nation.
Industrialized since WWII.
The modern industrialized nation of Japan is an example of a developed country.
India is a newly industrialized nation but Greece is not.
Maybe
Britain is the European nation that industrialized rapidly after 1850.
The phrase "newly industry nation" would be an awkward construction. It should not be used in a sentence. However, you could write "newly industrialized nation".The country was a newly industrialized nation.The poorest country in the world showed signs of becoming a newly industrialized nation.