What was hobbes and locke's views on human nature? what was the major difference in term of inalienable rights?

Hobbes had a rather negative view of human nature.   Locke's view of human nature was that it started as a "blank slate" (basically neutral), and tended to be a more positive view as a result.

In terms of inalienable rights, Hobbes believed that people gave up their rights in the interests of security when establishing a government to rule over them.  Locke believed the people always retain their rights and can replace a government if it abuses those rights.

Further explanation:

Both of these English philosophers believed there is a "social contract" -- that governments are formed by the will of the people.  But their theories on why people want to live under governments were very different.

In teaching the difference between Hobbes and Locke, I've often put it this way.  If society were playground basketball, Hobbes believed you must have a referee who sets and enforces rules, or else the players will eventually get into heated arguments and bloody fights with one another, because people get nasty in competition that way.   Locke believed you could have an enjoyable game of playground basketball without a referee, but a referee makes the game better because then any disputes that come up between players have a fair way of being resolved.    Of course, Hobbes and Locke never actually wrote about basketball -- a game not invented until 1891 in America by James Naismith.  But it's just an illustration I've used to try to show the difference of ideas between Hobbes and Locke.   :-)

would not cooperate with each other voluntarily.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts