Original sentence: " However, the extensive work done with grading through the Appalachian Mountains and the construction of nine tunnels made it a logical choice for the Pennsylvania Turnpike Commission to buy the right-of-way to the South Pennsylvania Railroad and convert much of that into the Pennsylvania Turnpike, the first freeway in the United States and would eventually lead to the formation of the Interstate Highway System.In CIA jargon, "blowback" describes the unintended, undesirable consequences of covert operations, for example: covert funding of the Afghan Mujahideen, which led to the rise of Al-Qaeda.The South Pennsylvania Railroad was constructed in the 1880's by the New York Central Railroad to compete with the Pennsylvania Railroad, but never came to fruition due to funding issues and in history became known as "Vanderbilt's Folly.The region of  Chernobyl, deserted by human populations after  1986 nuclear accident, is now harbouring a rich and dense wildlife (most vegetal and animal species being far less sensitive to nuclear radiations than human beings--much less so than they are to human beings' activities)
Edited sentence: Covert funding of the Mujahideen, which led to the rise of the Taliban.Examples include:.In CIA jargon, "blowback" describes the unintended, undesirable consequences of covert operations.Operation Ajax, which contributed to the 1979 Iranian Revolution & the Iran hostage crisis