Multiple choice! ! ill give you brainliest! which dynasty defeated kublai khan, united japan under one rule, and restricted trade? a.) tokugawa b.) mongol c.) shinto d,) bushido

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.