On what matters did roman catholic church and the eastern orthodox church agree

The following Churches have been in communion with the Bishop of Rome for a large part of their history: The Maronite Church, which has no counterpart in Byzantine, nor Oriental, Orthodoxy. ... The Italo-Albanian Catholic Church, unlike the Maronite Church, uses the same liturgical rite as the Eastern Orthodox Church.

If your choices are the same as I've seen elsewhere, the items to check that apply are:

Some detail about what differered between the two sides and why they ended up splitting in what became known as "The Great Schism."  

Mainly the Great Schism was caused by disputes over authority in the church. There were also doctrinal issues of dispute.  For instance, the East objected to the addition of the Latin word "filioque" (meaning "and the Son") to the Nicene Creed, in which churches in the West confessed that the Holy Spirit proceeded from the Father and the Son (rather than from the Father alone, as confessed in the East).  The West objected to the worship given to icons in the Eastern churches.   There were also language differences, since Greek was the language of the church in the East and Latin the language of the church in the West.

Ultimately, though, the biggest reason was the struggle over authority in the church.  In 1054 CE, there were mutual declarations of excommunication between the pope (in Rome) and the patriarch (in Constantinople) that  resulted in "The Great Schism" -- a monumental split between the western church (the Roman Catholic Church and what has become known as the Eastern Orthodox Church.   "Catholic" means universal -- the Roman pope was intent on asserting his leadership over all of Christendom.  "Orthodox" means "right teaching."  The Eastern patriarch and church were asserting their teachings to be right over against positions held in the West.  There were a number of doctrinal issues debated hotly between East and West over the centuries leading up to final break between the two halves of the church. But more than anything, the split came down to "church power" -- who held control over the church.

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the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )

the constitution gives congress the power to regulate commerce "among" the several states.