Which slogan first emerged during the Social Gospel Movement and then re-emerged in the 1990s? Praise the Lord and pass the ammunition.
Just do it.
We have nothing to fear but fear itself.
What would Jesus do?

it's "What would Jesus do?"

Explanation:

The book’s slogan, “What would Jesus do?” became a central theme of the social gospel movement which also became tied to a belief in what Ohio minister Washington Gladden called “social salvation.” This concept emphasized that religion’s fundamental purpose was to create systemic changes in American political structures.

for why it was for independence

im pretty sure it has something to do with the end of ww1