The formation of some utopian communities in the 1800s was an example of an interest in creating an ideal or perfect society.
a desire to improve people’s economic and social class.
an opposition to the practices of slavery and discrimination.
a growing interest in the education of young people.

an interest in creating an ideal or perfect society.

Explanation:

A utopian world is a world that is viewed as one without any problems, an ideal, perfect world. This is usually not realistic and used by people who fantasise.

Therefore, the formation of some utopian communities in the 1800s was an example of an interest in creating an ideal or perfect society.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.