Which of the following represents a defining characteristic of an empire?
a. a state that forms a democratic republic but is eventually seized and ruled over by a single ruler
b. a state formed through conquest and maintained through the extraction of resources from the conquered states and peoples
c. a single ethnic group with a single language, religion, and identity
d. a conglomeration of independent states that form temporary alliances.

What were some of the different and mutual demands of the various national unions? what tactics did they employ to realize their demands?

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things

According to the article,"social credit" is question 3 options: an experiment to people talk on-line a farming experiment that hurt people under mao ze dong using someone else's data from the internet, to give or take away things such as the right to buy an airline ticket a credit you get in china for having friends in real life, and not just on social media