Does the sentence "This provided the foundation for subsequent Slavic states to arise on the former territory of this realm with Carantania being the oldest of them." provide a valid answer to the question "Bulgaria was instrumental in the spread of what to the rest of the Slavic world?"

A: no

Does the sentence "This range includes the important interiors of the Parlour, Election Hall, and Election Chamber, where most of the 18th century "leaving portraits" are kept." provide a valid answer to the question "Where are 18th century "leaving portraits" kept at Eton?"

A: yes

Does the sentence "Note that the Polish landed gentry (ziemianie or ziemianstwo) was composed of any nobility that owned lands: thus of course the magnates, the middle nobility and that lesser nobility that had at least part of the village." provide a valid answer to the question "whats is another name for polish landed gentry?"

A: yes

Does the sentence "Several battles were fought in and near Philadelphia as well." provide a valid answer to the question "How many Revolutionary War battles were fought around Philadelphia?"

A:
yes