Primitive subsistence agriculture is also known as slash- and-burn agriculture.
Answer:
Europe saw the colonization of Africa as an opportunity to acquire a surplus population, thus settler colonies were created. With this invasion, many European countries saw Africa as being available to their disposal.
Mountains are formed by the movements of the tectonic plates and Earth's. Movements deep beneath the Earth's surface cause a variety of reactions, and the results in different types of mountains. Mountains can form as a result of the volcanic activity, the collision of 2 tectonic plates or a movement along a fault line.
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