What’s the definition of definition (I’m just giving away points)

At the time of hitler's 1939 invasion of poland, the us had a policy of appeasement negotiation opposition neutrality

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub

How does eurydice slipping back into the underworld support the theme