Most archaeologists think that they came from across the Berring Sea over the ice
from Russian/Europe and made their way through North America.
<span>The social changes which occurred after World War I were:
</span><span>
Increased mobility through technology.</span>
New roles for women.<span>
</span>Breaks with tradition.
It was all because of the women efforts, they received the right to vote and many restrictions on women are taken off. Additionally, as a result of the social change in technology Tanks and Gas warfare technology were introduced.
Prohibition is the era in American history when the sale, disruption, and manufacturing of alcohol was illegal. Since selling alcohol was illegal, anyone that wanted to get alcohol was now breaking the law. However whenever there is a good/resource people want, even if it is illegal, they will pay a significant amount of money for it.
When this is the case, people will risk almost anything to make a huge profit. This is why crime and violence increase during Prohibition. Organized crime rings, lead by people like Al Capone, start to form. Due to the high demand of alcohol by American citizens, there became a huge competition between different organized crime groups for customers. Rival gangs would end up in shootouts (like the Valentine's Day Massacre).
Try answer A that’s what I think it is