The pope in Rome and the patriarch in Constantinople argued about the treatment of heretics.
having icons in the church.
the language for church services.
the holy text

B, having icons in the church

I know this because I took a test with this same question!

This dispute was one of the many reasons that lead to a split between the 2, but it was also the root cause of the Iconoclast Controversy.

Hope this helps! :)

the united states presidential election of 1992 was the 52nd quadrennial presidential election. it was held on tuesday, november 3, 1992. democratic governor bill clinton of arkansas defeated incumbent republican president george h. w. bush, independent businessman ross perot of texas, and a number of minor candidates.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.