Pasted

<?php
 add_action( 'wp_footer', function () {
	?>
	<script>
	(function () {
		const country = 'US'; // Change to your country code: US, GB, AU, DE, etc.
 		function setCountry() {
			document.querySelectorAll(
				'select#dbem_country, ' +
				'select[id*="dbem_country"], ' +
				'select[name*="dbem_country"]'
			).forEach(function (field) {
				if (field.value !== '') {
					field.value = country;
					field.querySelector('option[value="' + country + '"]')?.setAttribute('selected', 'selected');
 					if (window.jQuery) {
						window.jQuery(field).val(country).trigger('change');
					} else {
						field.dispatchEvent(new Event('change', { bubbles: true }));
					}
				}
			});
		}
 		document.addEventListener('DOMContentLoaded', setCountry);
		window.addEventListener('load', setCountry);
 		new MutationObserver(setCountry).observe(document.documentElement, {
			childList: true,
			subtree: true
		});
	})();
	</script>
	<?php
}, 999 );