<span> Eastern Christianity consists of the </span>Christian<span> traditions and churches that developed in the </span>Middle East<span>, </span>Africa<span>, </span>Eastern Europe<span>, </span>Asia Minor<span>, the </span>Balkans<span>, </span>Southern India<span> and parts of the </span>Far East<span> over several centuries. The term does not describe a single </span>communion<span> or </span>religious denomination<span>. Some Eastern churches have more in common historically and theologically with Western Christianity than with one another. The various Eastern churches do not normally refer to themselves as "Eastern", with the exception of the </span>Assyrian Church of the East<span> and its offshoots.</span>
The Song Dynasty was responsible for inventing and perfecting the first movable type printing press! I hope this helped you in what you were looking for.
In tracking the US economy and determining consumer spending levels an item that might be included would be Harry Potter books sold in bookstores. The other examples are costs incurred by businesses in producing goods or services, whereas the books are solely a consumer purchase.