Raw Materials is the answer
Answer:
business firms carry on the production and exchange of goods and services through a complex network of prices and markets.
Explanation:
economic system in which private individuals and business firms carry on the production
In 1950 it was 9% but increased to about 90% towards the end of the 1950’s sorry if this does not help
Poland. Just learned about this, and as far as I know Britain, France, and Italy all benefited from it