This has resulted from the heterogeneous mix of the countries that are actually participated in. The Iraq and Iran were a member of this organization. There are a lot of concerns regarding the ideology, over the security of the borders, and even the internal security they were bothered by that.
There were several different causes that resulted in American becoming an industrial nation. One of the most significant ones was the Industrial Revolution. This time period resulted in the creation of new machines and new means of transportation that helped in mass producing goods for US citizens. The development of textile mills and the spinning jenny resulted in the increased production of goods in American society. This was just the beginning, as new concepts, inventions, and machines would help to make America fully industrialized, leaving behind the era of a nation based on farming.
I think it's C.
The president is the head of the executive branch, which makes laws official and enforces all laws passed by the legislative branch.
