The slave trade encouraged African nations to wage war and disrupted local cultures and economies. This in turn resulted in a failure to industrialize, making the nations of Africa far more susceptible to European colonization.
The answer for your question is 1666 Kilometers
The immediate roots of rock and roll lay in the rhythm and blues, then called "race music", and country music of the 1940s and 1950s. Particularly significant influences were jazz, blues, gospel, country, and folk. Chuck Berry did in fact invent rock'n'roll. Of course similar musics would have sprung up without him. Elvis was Elvis before he'd ever heard of Chuck Berry.
There were several non-aligned government in Africa and Asia, that in reality were not. In Latin America, Cuba came out strongly as a supporter of communism.
The communist nations used financial and military aid to keep these nations in their sphere of interests. As a result several proxy wars were witnessed.
The part in Jefferson's argument in the declaration of independence that states that people should give their reasons for Declaring independent is stated at the part when he said that it's time for the colonies to part way with the kings.