Dialogue of the Churches East and West
During Vatican II, after 1000 years of separation, the Catholic Church of the West and the Orthodox Church of the East began to see themselves as “sister churches.”
There are differences between the churches:
different liturgies and Church orders
different theological opinions on the role of the pope as being first among equals
However, these churches have accepted each other’s Eucharist.
Their differences are both obstacles and a source of enrichment.
Through those differences, the Western Church has gained a new awareness that unity can exist with a lot of diversity.