Answer:
Yes and no.
Explanation:
USA, of course is a very highly developed and advanced country but developed country is defined on many parameters and in many of those parameters USA is not on the top. What you probably meant to say is it being the largest economy in the world and yes it is the world’s largest economy as of Dec 2016. At this point US is still considered a developed country. In fact the definition itself was based on US to begin with. US had major advantages after WW2 that they utilized very well for development but as others are catching up US seems to be falling behind in most areas.
Answer:
International division of labour.
Explanation:
The separation of work into number of tasks is known as division of Labor.
It is important for the economic progress because it allows the people to specialise in particular tasks. The specialisation makes them more efficient and reduces the cost of total production.
International division of labour is the process that occurs when the production in not limited to national economies. According to the "old " International division of labour the underdeveloped countries were incorporated in the world economy as the supplier of agricultural commodities and minerals, It lasted till 1970's. While according to the theory of New International Division of Labour(NIDL) the manufacturing is shifting from advanced capitalist countries to developing countries.
You got to look it up. i am sorry i wish i could but there a whole side on it.