Ritual impurity and the tensions resulting from Roman imperialism are two aspects of the Centurion’s Slave pericope that often go overlooked.
The Synagogue the Centurion Built

Would a Roman officer have had the means to finance the construction of a synagogue in the lakeshore town of Capernaum?
Anti-Jewish Tendencies in the Synoptic Gospels

The scourge of anti-Semitism has not departed from the Church. Though recently there have been encouraging signs, many Christians still harbor prejudice against Jews. The Synoptic Gospels may have helped spawn this prejudice. They may even play a continuing role in perpetuating it.
The Centurion and the Synagogue

A Roman centurion’s concern for his slave focuses our attention on the presence of non-Jews in the land of Israel in the first century. A modern Jewish authority on the history of the period provides the story’s background.