Slavery weakened the roman republic because Spartacus decided to fight the roman guards because he thought him and his people shouldn't have to die as gladiators so they ran away and caused much chaos
If you have a job that involves manual labor, you are doing blue-collar work. <span>A </span>blue collar<span> is a working-class person historically defined by hourly rates of pay and manual labor. A </span>blue collar<span> worker refers to the fact that most manual laborers at the turn of the century wore </span>blue<span> shirts, which could hold a little dirt around the </span>collar<span> without standing out.</span>
The fault block mountains shift
Answer:
Deep sleep reduces the likelihood someone will have a nightmare.
Explanation:
In simple words, all other points except the last statement are scientifically proves facts of what are some major requirements to get a proper sleep. In history, the cavemen had issues with hunting in darkness so they decided to wait until the day which ultimately led to long sleeps for them.
Also, sleep is essential for the body and brain as it heals the damaged neurons and also relaxes the muscles all over the body.