What is the social category that developed during the 19th century of european imperialism?

Social Darwinism is a term for the collective ideas or policies that emerged during the 19th century. During 19th century, European countries were expanding their empire. This lead to the colonization of Asia and Africa. Racism has been rampant at that time. 

how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

mark brainliest and have a great day!