In the South, Martin Luther King, Jr. dealt with issues of racial discrimination, forced segregation by the police, and legal issues like the abolition of the Jim Crow laws. In the North, he had to deal with economic issues. Poor people were everywhere in the cities and they had no chance of improving their lives. The schools for the poor had low standards and did not provide the good training needed for the chance of finding better jobs. Many of the whites were vying with the blacks for the same kind of jobs.
In the South King dealt primarily with legal issues, such as changing or abolishing Jim Crow laws and police-enforced segregation. In the North he had to deal with economic issues. The cities were filled with poor people who weren't being given a chance to rise out of poverty.
When President George W. Bush recognized the independence of Kosovo, he was exercising the power of the president to recognize the new nations and new governments.
According to Article II of the Constitution of the USA, the President of the USA has the power of recognizing new governments and new nations in the section of Foreign Affairs powers.