Imperialism<span> was </span>important<span> to the world because it was the foundation of globalization — extending authority over other nations and cultures.</span><span> </span>
At times, it was chaotic because it was so much land to control that the ruler split it into "states", and gave each one to a family member. But, after a while they realized some of the family had more land than others, so they began to fight. The bigger lands conquered the others with their stronger army.
Keeping Communism from spreading beyond the countries already under it's influence
I believe it was B since he reversed several previous positions. While he did meet with MLK, I don’t think he had anything to do with founding the SCLC.