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<span>Every 2 years, drivers in San Francisco must acquire a "smog certificate” to affirm the vehicle’s emissions test results and submit it with their registration renewal.
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Answer:
Adversarial System.
Explanation:
An adversarial system or adversary system is the legal procedure under which the parties present their cases before a judge or jury. The advocates of the two parties gather information, pieces of evidence, witnesses, etc that are to be present before the judge. The case is present before a person or a group of people who would be impartial and after seeing the evidences pass the judgment which they find to be true.
So, according to the definition provided and the statement given in the question the answer is adversarial system or adversary system.
It was a trigger that showed that there were two competing powers in Europe: Russia and Austria-Hungary (and their allies).
Franz Ferdinand was killed by a Serbian separatist and the Austrians wanted to see him punished. On the other hand, Russia supported Serbia is saying that Austrian demands ( to be allowed to search for the culprit inside Serbia) were too much.
This lead to a direct conflict between the two powers (Austria and Russia) and further lead to the war.
