The answer I would choose is D all of the above
Popular Sovereignty should be your answer. Have a great day.
Chang'an means of "<em>Perpetual Peace</em>" in traditional Chinese; and it can be described as an "<em>Everlasting Capital</em>" because it was persistently used as a capital again and again by many fresh Chinese rulers (<em>more than 10 dynasties</em>);
it can also be described as a <em>flourishing</em> cultural & <em>commercial center</em>; Chang'an has been one of the most important cities of the world.
In addition to chevrons on the rear of emergency vehicles, it is also better to equip other vehicle features with high visibility markings such as high-visibility paint, a passive light that is built in and any other kind of reflectors.
<h3>Why do emergency vehicles do have chevrons?</h3>
The chevron front-and-rear markings is known to be one that gives conspicuity for a lot of emergency vehicles, and it also helps to lower the rate of accidents.
It is often used when one is in unusual traffic situations such as when stopped in fast-moving traffic, or moving at any other speeds or in other directions.
learn more about chevrons from
brainly.com/question/1162213
I believe the answer is: <span>people tend to socialize with others of about the same social position.
In general, people tend to automatically like another people they could relate with (usually because they have similar likes or past experiences)
This often cause most people to only socialize with someone that they identify to be in the same social group as them.</span>