Concept: A radical, change-oriented stance on national issues is commonly associated with a liberal party.Explanation: A liberal political party generally favours reforms and transformation rather than preserving the existing order. It questions traditions and holds progressive views on sensitive state affairs. This makes it appear radical compared with conservative or status-quo parties. A conservatist party stands for maintaining old structures. An elitist party protects the interests of a privileged few. A democratic party is defined mainly by its method of governance, not by radical ideology. Thus, a party with a radical viewpoint and perspective toward sensitive matters is best labelled as liberal.Answer: B. liberal