There were two main reasons why Bush's approval ratings fell at the end of his presidency, the first being that the wars in Iraq and Afghanistan were wildly unpopular, and the second being that the US economy was struggling.
It marked the start of the American War of Independence
It lead to the holocaust and the death of many Russian citizens
D is correct, though it passed in congress it lacked the 38 state approvals it required to be ratified, it wasn't made an official law but several states made similar laws applying to their own state