Well, not in the development as it would have happened otherwise: the whole American civilization, many people and life style was wiped out., Africa was also suffering from all the slaves taken from it. Only the Europeans profited.
From the point of view of the natives: not.
From the point of view of the Europeans? yes.
From the point of view of the Africans? not.
Personally? I am a great fun of American languages and, and I wish they were better maintained and I think slavery is a prize to pay for anything. No, I don't think it was a positive change, not with all the deaths and suffering.
Answer:
B. Underwriters' Laboratories, Inc.
Explanation:
The Underwriters' Laboratories, Inc. conducts all kinds of security certifications, including electrical equipment, that's why you see the circular UL Certified logo on every electrical device sold in the US, including all electronic devices.
The National Fire Prevention Association develops standards for electricity installations in the workplace, the National Electric Code (for buildings) and other similar.
The National Electrical Manufacturers Association sets norms for the generation and transportation of energy, for the power providers.
Certified Ballast Manufacturers is just an association of electric ballast makers.
Talk to your school or your boss at work possibly
While China looks to East and Southeast Asia as major trading partners and sources of investment, it looks to its north and the west for oil and gas to feed its massive appetite for energy. China’s energy consumption is growing at 15% per year, while the rest of the year is near flat. 35% of the increment in the world’s consumption of energy last year was China’s. It has increased massively its import of Saudi oil, but that is not enough. For energy security reasons, exacerbated by its frustration over CNOOC’s experience in trying to purchase Unocal, China is determined to diversify its sources of energy, and Central Asia and Russia figure at the center of these plans.
