Who was Allama Muhammad Iqbal and why is he called the Poet of East?

Allama Muhammad Iqbal‘s poetry and his philosophy was an awareness to the Muslims of the sub-continent so they would recognize themselves as a nation. He awoke people through his poetry and they started resisting against the british government. He inspired the Pakistan movement in the Subcontinent and he is a famous figure of Urdu literature.

the answer wold be b) travel among nations should be regulated by an international organization

b is the answer i am assuming