21. What is the main idea of the passage? (A) Sweden's decision not to lock down the country during the pandemic can be understood through the desire for individual sovereignty and the unavoidable necessity of being part of society. (B) Sweden was an outcast in the international community, which kept its country open for economic reasons. (C) Sweden has always been a European version of Texas that puts individual liberty before the collective good. (D) Sweden was the libertarian haven for American radicals who demonstrated against government restrictions.