src/view/frontend/layout/checkout_cart_index.xml
<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="cart_dynamic">
<block name="shipping_country" template="IntegerNet_ShippingPreselection::cart/shipping_country.phtml"/>
</referenceBlock>
<referenceBlock name="cart_main_js">
<block name="shipping_country_js" template="IntegerNet_ShippingPreselection::cart/shipping_country/js.phtml"/>
</referenceBlock>
</body>
</page>