Colonial powers were particularly interested in mining which resource that was abundant in africa?copperivorydiamonds  iron ore

The correct answer is letter C: Diamonds.

Back in the 19th Century, the British Government was attracted by all the mineral wealth Africa possessed, especially diamonds, creating a "diamond rush" among other nations such as United States and Australia.

South Africa became the major source for the ones seeking diamonds and colonize the area in order to have the monopoly of the industry.

The answer is:

diamonds

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abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.