I think the awnser is 4 as a war would happen if people wanted power
<span>Most did not strike it rich, but they remained in California and bettered the state's infrastructure. This was because they were a ready labor force, and the amount of gold in the gold fields had been wildly exaggerated. There just was not enough gold for all of the forty niners to strike it rich.</span>
The reason why a roman historian like Ammianus would want to compare the huns to "unthinking animals" is because many people saw these invaders as not being civilized, and thinking only of conquest and plundering.
In the passage this question was provided for, you should have been able to find the fallowing text, "Therefore it is hypothesized that Earth’s magnetic field is being produced by ionized iron moving about in the Earth’s liquid outer core. If Earth didn’t have a liquid (iron) outer core the Earth wouldn’t have its magnetic field."
Answer: Magnetic Field
