NAIROBI, Kenya — From Sudan to South Africa, on shantytown streets and desert battlefields, tribal conflicts are fragmenting Africa’s nations and tormenting its peoples.
Even the anti-apartheid movement in South Africa often is beset by tribal rivalry that in recent months has seen black groups fighting each other, sometimes shattering black unity in the battle against the white government.
Answer:
The ruling stunned many northerners. The Republicans were particularly upset because their platform in 1856 had argued that Congress held the right to ban slavery in the federal territories. Now the nation's highest court had ruled that Congress did not have this right.
Explanation:
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Population geography: Because it is talking about the distribution and makeup of a population which that means that it is talking about B.
According to most scientists it was several factors involved. But the main cause was b) changes in the earth's orbit which occurs every 10,000 to 15,000 years. Other contributing factors are changes in the ocean's currents and major shifts in platonic plates of the planet.