What do both In Memoriam, A. H. H. and "The Lady of Shalott" by Alfred, Lord Tennyson suggest about people's relationships with others?

People can remain united even in death.

People are mysterious and can never fully know one another.

Separation from others can lead to pain and loneliness.

People create barriers that can prevent them from forging ties with others.

People create barriers that can prevent them from forging ties with others.

Explanation:

In Memoriam, A. H. H. and Alfred's "The Lady of Shalott," Lord Tennyson shows how people can create their own solitude by preventing others from approaching by creating barriers. That is, we can provoke our loneliness and be sad because we create psychological barriers that prevent us from creating ties with other people because we do not let them get close.