I need a short art essay

You can pick those topic.

Chapter 13: Discuss two of the three main architectural aspects of a Gothic cathedral: Pointed Arches, Ribbed Groin Vaults, and Flying Buttresses. Why is each important to the structure of a Gothic cathedral? Why did Gothic architects employ these architectural techniques? How do they contribute to the overall look and overall symbolism of a Gothic Cathedral? Use specific examples to support your essay.

Chapter 12: Contrast the major differences between an Early Christian basilica and a Romanesque church. Include a discussion of the Romanesque improvements to the basilican plan and the reasons for these solutions. Use examples to support your essay.