What song, popular in the first world war, was written by george and felix powell?

"Pack Up Your Troubles in Your Old Kit-Bag, and Smile, Smile, Smile"

Explanation:

Its the full name of a World War I marching song, published in 1915 in London. It was written by Welsh songwriter George Henry Powell under the pseudonym of "George Asaf", and set to music by his brother Felix Powell.

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

the answer is c.

i hope this .