The 2007 crash of the us housing market was an example of a(n) a. social dilemma b. political conflict c. economic downturn d. environmental concern

C

Explanation:

It was due to economical downturn as people were not making enough money and trying to get into a cheaper living condition but nobody wanted to buy a more expensive house so those at the top were not sold so nobody was buying another house before theirs were sold.

an important point to remember about correlation is that while there is a _statistical_ relationship correlation does not equal _causation_

the first answer is: statistical

the second answer is: causation