Ten-year-old sandy's older sister morgan excludes sandy from playing games with her and her friends when the friends come to their house to play. morgan's treatment of sandy is an example of:

The correct answer here is exclusion, which leads to isolation.

Explanation:

Exclusion is defined as an act of removing, or preventing, one thing to have contact, or relate with another, for various reasons. Usually, and especially in human relations, exclusion is literally the act of removing, or preventing, one person from having contact with another, or getting involved in groups, for reasons like behavior, differences, or simple dislike from others. In some cases, exclusion is necessary, when there is a negative behavior from the person being excluded towards the group, or, when there is also a negative impact from the group, to an individual. However, ofentimes, and in a very negative aspect, exclusion in social situations impedes integration and adaptation and finally, it can lead to total isolation and its social and psychological consequences.

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.