The Episcopal Church of the United States is a member of the Anglican Communion, the world-wide body of churches that share the Book of Common Prayer, a particular theological perception, and trace their origin to the Church of England's missionaries who accompanied the original...well...let's just call them "settlers".
To display how we became a world-wide church, the map below shows in pink all of the areas that were invaded at one time or another by England. Only twenty-two countries have not known English intervention.