Why didn't the US Declaration of Independence really protect human rights even when it stated “Life, liberty and the pursuit of happiness” as its goal?

answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck

answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;

explanation:

may i ask what challenges?

try something like republic or democracy joined or something because its talking about a election party.