question:
Underlying the process is muscle movement throughout the system through swallowing and peristalsis.
What muscle movements are used for digestion?

answer: yes

question:
The pagan Slavic populations were Christianized between the 6th and 10th centuries.
When were pagan Slavic populations Christianized?

answer: yes

question:
Greece, which is one of the world's largest shipping powers, middle powers and top tourist destinations, has the largest economy in the Balkans, where it is an important regional investor.
When did Greece join the Eurozone?

answer: no

question:
Ireland developed a strong middle class, especially in the major cities, by the mid-nineteenth century.
When did Ireland begin to see a growth in its middle class?

answer:
yes