Where did the third algricultural revolution take place

Restricting immigrants from entering a country may be based on what belief?  

When pay is made public, people evaluate how equitable their pay is in light of the pay other people are receiving. the problem in this case is that dwight and guillermo have found out that others are getting paid more than they do for the same work. what are they likely to do under these circumstances

The judicial system of courts derives its powers from what article of the constitution