The correct option is B.
In the question given above, you are to develop an essay that is in favor of vegetable farming. The two objects that are been compared here are vegetables and lawns. Thus, any resource that will be used in supporting your argument must be one that deals with the relationships, benefits and the demerits that exist between keeping a front lawn and keeping a vegetable garden. Looking at all the options given above, it is only option B that expresses the relationship between the two.
Answer: C) The law is likely to ensure that everyone pays a fair share of tax.
Explanation: The other two options make citizens lives harder and are useful for establishing an equitable system for taxing citizens.
Hope this helps! :)
Answer: to rally emotional support for a unified country
Explanation: the civil war originally started because several states wanted to secede from the union. That is the easiest way I can put it. Slavery did play a role in the war as well.