Prepare an attractive slogan against corruption​

Who gave the famous "i have a dream" speech at the march on washington?

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

Social darwinism applies what theory to human society