Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks

Human beings are extremely diverse in very many ways. People ___(1)___ in opinions, race, nationality, gender, age, sexuality, ethnicity, class, religion, lifestyle and so much more, yet at the very basic we are all human species. Ideally, ___(2)___ people feel pain and joy despite the differences. Today, the changes in time and technology have made it extremely impossible for any group of people to live without interacting with other outside their group. Often, people of different cultural and geographical ___(3)___ meet in international conferences, education exchange programs, sports, etc.
Sadly, the history of mankind discriminating against each other based on cultural differences has been with us for ages. So many people have died or have been denied their rights ___(4)___ individual greed. Properties and economies have also been destroyed due to lack of understanding. Unfortunately, some of these occurrences are visible even today, perpetuated by people ___(5)___ little understand the importance of the uniqueness of our diversity.
(Source: https://www.springbreakwatches.com)