जब शरीर के तरल पदार्थों में पानी की मात्रा सामान्य से कम होती है, तो पीयूष ग्रंथि (posterior pituitary gland) द्वारा कौन सा हार्मोन जारी किया जाता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?