The significant increase in consumer demand following World War II marked the beginning of the marketing concept era. The correct option among all the options given in the question is the second option. With the start of marketing of products, the competition also increased. People were faced with multiple choices for getting a single type of product manufactured by different organizations.
Poland has a parliamentary republic government
Basically, people who are educated leave the country going towards places like Europe or the Americas. This leaves the country without educated people and the country can't develop which ruins its economy in turn because there's nobody to improve things and help build the country and its economy. These people go to other countries and help there.
So they (the slaves) were treated bad because they weren't considered human beings