The answer is weathering. Weathering is where rocks or other materials are broken down because of forces like wind or water. This is different than erosion, which is the process where the broken down materials are moved.
Triangular trade or triangle trade is a historical term indicating trade among three ports or regions.
The correct answer is Keynes.
Keynes supported free markets but as long as these were regulated by state intervention in order to soften the peaks and troughs in the business cycle. Therefore, in his opinion, the three economic questions (what to produce, how and for whom) should be answered by the economic agents in the markets, but always under the supervision of the state.
Smith was an advocate of free markets and of supressing state interventionism. On the other hand, Marx was in favour of massive intervention of the state because he considered markets to produce un unfair distribution of wealth in the states, where the richer ones exploited the poor.
To swimming or scuba diving because she had a certain freedom of movement that she had never felt on dry land.
