अक्टूबर 1860 में किस समझौते या कन्वेंशन ने औपचारिक रूप से द्वितीय अफीम युद्ध की समाप्ति की घोषणा की?

Eleanor Roosevelt played a pivotal role as the Chair of the UN Human Rights Commission in drafting which historical document?

Idi Amin was a military dictator of which African nation during the 1970s?

The famous 'Iron Curtain' speech (1946) is associated with which of the following leaders?