The answer in the space provided is experiments. It is because in order to produce causation or to likely have a cause of something in particular, they need to conduct experiments in which they will likely form new ideas and test this ideas to form something new that will cause and contribute to others and will be of gain of knowledge.
Answer: C
Explanation:
Though the North would eventually outlaw slavery, they did benefit from it for a time. The civil war was about more than slavery. The south had a prospering economy because of cotton exports that were earned off the backs of slaves. The north, wanting a piece of that action asked the southerners for more taxes on exports. The south refused. So the north did it anyways, the south pulls out of the union, so the north says "If you wont give us taxes, we will free your workforce..." Or something along those lines. The north is often portrayed as heroes to the slaves, but really, they just wanted money. If you research how slaves who escaped to the north and fought for the union were treated, you will see that the north wasn't a bunch of choir boys.
It B. higher prices cause supply shifts
The Great Depression in the 1920s in the United States also affected many countries such as Latin America and Africa. Latin American countries were pretty much affected because of the US investments established and the country's exportation to the US also crashed. On the other side of the world, Africa had declared Great Depression in terms of political and economic. However, they were saved from a complete collapsed by the gold mining industry.
