Which describes the Tokugawa shogunate?

Aa dynasty created after Ieyasu defeated rival warlords and united Japan under one rule that closed Japan's borders to foreign trade in order to limit western influence

Ba dynasty created after Ieyasu defeated rival warlords and united Japan under one rule that increased trade and cultural exchange with foreign nations

Ca dynasty that restricted trade with foreign nations to boost the economy, established Buddhism as the state religion, and created national unity

Da dynasty created when the shogun defeated Ku