JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/datejs/1.0/date.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.min.js"></script>
                                <select name="usp-custom-3" id="usp-custom-3" data-required="true" class="usp-input usp-select usp-form-365 country_select" required="required">
                                    <option value="afghanistan">Afghanistan</option>
                                    <option value="angola">Angola</option>
                                    <option value="albania">Albania</option>
                                    <option value="united_arab_emirates">United Arab Emirates</option>
                                    <option value="argentina">Argentina</option>
                                    <option value="armenia">Armenia</option>
                                    <option value="antarctica">Antarctica</option>
                                    <option value="french_southern_and_antarctic_lands">French Southern and Antarctic Lands</option>
                                    <option value="australia">Australia</option>
                                    <option value="austria">Austria</option>
                                    <option value="azerbaijan">Azerbaijan</option>
                                    <option value="burundi">Burundi</option>
                                    <option value="belgium">Belgium</option>
                                    <option value="benin">Benin</option>
                                    <option value="burkina_faso">Burkina Faso</option>
                                    <option value="bangladesh">Bangladesh</option>
                                    <option value="bulgaria">Bulgaria</option>
                                    <option value="the_bahamas">The Bahamas</option>
                                    <option...

CSS

li {
  margin-bottom: 10px;
}

JavaScript

var countries = [];
  $("#usp-custom-3 option").each(function() {
    var single = $(this).text();
    if(single == "United States of America") {
     single= "United States";
    }
    countries.push(single);
    var foundPresent = countries.includes("Piazza delle Medaglie d'Oro 40121 Bologna Italy");
		console.log(foundPresent); 
  });