The development of agriculture is best described as the
a. use of irrigation to increase food production
b. use of cultivated plants for subsistence
c. use of metal tools, such as plows, in farming
d. use of animals as labor for farmin

Match the following definitions with your vocabulary words. 1. recall; cancel assess 2. to evaluate and set the amount of a tax president pro tempore 3. ruling; overseeing contender 4. a political competitor repeal 5. presiding officer of the senate whenever the vice president is not present consent 6. to agree or accept presiding