Complex sentence: The Justice Department discovered Booth had rigged the election and, using this as a cause and the Declaration of Independence as legal precedent, ordered Booth to stand down and, under mass public support, took the reins of power and abolished democracy.
Split into simpler sentences: The Justice Department discovered Booth had rigged the election; using this as a cause-and the Declaration of Independence as legal precedent-ordered Booth to stand down. Under mass public support, took the reins of power and abolished democracy.