<span>The unofficial boundary that formed at the end of World War II and divided Europe into two sections was known as the IRON CURTAIN.</span>
Letters would be an example of a primary source
(Long term) Jim crow system resulted in continuing to allow racial prejudice and other injustices to the blacks
)Short term) was to put many blacks back in to slavery and another was sharecropping was difficult to overcome so by working to there former master the blacks would be controlled once more