An example of a challenge to political change would be special interest groups in Congress, while for economic change it would be tax codes, and for social changes it would be a lack of unity in protest.
This is an subjective statement. Subjective tells the opinion and attitudes of ones own moods ;)
Explanation:
The profit motive is the driving force of American economy because it:
*forces business owners to exercise financial discipline
*encourages entrepreneurs to take rational risks
*rewards innovation by letting creative companies grow
preached a philosophy of self-help, racial solidarity and accomodation. he urged blacks to accept discrimination for the time being and concentrate on elevating themselves through hard work and material prosperity
-12 on the number line goes away from -4 therefore making it lower
