I believe the answer is: Gothic style
Gothic style is a form of architectural style that exist prior to the renaissance period. Several of its defined characteristics include <span> the </span>pointed arch and <span> the </span>ribbed vault<span> that is very common to be used in the design of European churches.</span>
<span>People's diverse interests and backgrounds divide them into numerous groups with distinct needs and wants, a condition most accurately described as market fragmentation.
</span><span>The term marker fragmentation denotes the creation of many consumer groups due to a diversity of distinct needs and wants in modern society. </span>It is the development of small new market segments within a saturated market.
Answer: Vivian and Janet have encountered the need for explanation, a challenge to intercultural relationships.
Explanation:
Vivian, as an African American, has to explain how she became friends with Janet, an European American, because people assume that cultural differences between African Americans and European Americans are too big to be overcome.