<span>For this question, let's just use your example of trader. Now our definition of trader would be the kind of trader that is also a merchant from the past era and not day trader as in a stock trader. Basically, a trader exchanges goods for money or any other form of monetary object. Now a trader can greatly contribute to the economic welfare of the city because he provides goods and services to the people of the city. He will receive money from the people in which he will have to pay taxes which can help contribute to the development of the city. </span>
I had to look for the options and here is my answer:
Most scientists conclude that it is the increasing global temperature that leads to the increasing levels of carbon dioxide in the Earth's atmosphere. This may be due to the different chemicals that are being emitted in the air. Hope this helps.
The russians practiced communism where as the west (usa,britain,france) were anti communist. the us were capitalists , thus is would make sense that the ussr and the usa would clash eventually despite their pasts of helping eachother out. once russia clashed with the west it gave way to the cold war
Al-Queda was responsible for the bombings, they are an Islamic extremist group that was also responsible for the 9/11 attacks.