B. Running water
**eplanation:**
Answer:
Spain gained great power and prestige; they dominated the Americas and possessed a vast amount of land and wealth. The country reined for a very long time after Columbus' discoveries, bringing jealousy to other countries. To the Europeans, the widespread of their Christianity beliefs was named very well for them
Explanation:
The Electoral College consists of 538 electors. A majority of 270 electoral votes is required to elect the President.
I think that the key word here is "effects" - the study would be into effects of oil - so not other oil-related topics.
Because of this the correct answer is
<span>a. How does oil shape social, political, and economic conditions in southwest Asia?
here the word "shape" is a synonym to "create and influence" - so it's about the effect!</span>