The Earth is thought to have been formed about 4.6 billion years ago by collisions in the giant disc-shaped cloud of material that also formed the Sun. Gravity slowly gathered this gas and dust together into clumps that became asteroids and small early planets called planetesimals.
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Since the founding of the country, and particularly with the end of the American Civil War, power shifted away from the states and toward the national government. The progression of federalism includes dual, state-centered, and new federalism.
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Answer:
Axum exported ivory, incense, and enslaved people. It imported cloth, metal goods, and olive oil. Axum fought Kush for control of trade routes to inland Africa.
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This is of course a very complicated issue and there are several reasons why this conflict been so difficult to resolve, but the main reason is that both sides are claiming territory that they have both legitimately held.
