Well you can rule out communism since that is not an economic system but a system of government. Socialism is the answer you are looking for. Socialism involves the division of everything into equal parts. No economic classes is a major trait of Socialism.
True, those amendments were only for colored men.
The first scientist to challenge the concept of race was Franz Boas.
I think c but i am just guessing sorry bout that
The correct answers are:
A) It created a need for additional natural resources to be used in manufacturing;
D) It created the need to find new markets to sell European goods;
The Industrial Revolution brought in new technologies in the manufacturing processes, and everything was done much easier and quicker, with the same or even better quality. As the industry was growing, in order to continue with the growth, it needed more natural resources, but also new markets for selling the goods and make bigger profit. In order for both of these goals to be achieved so that the industry continues to strengthen, the industrial countries started colonizing new countries, on multiple continents, where they managed to find the natural resources they needed, and also the required market for sale.