Pakeins, small but somewhere to live
A restrictive<span> modifying </span>clause<span> (or essential </span>clause<span>) is an adjective </span>clause<span> that is essential to the meaning of a sentence because it limits the thing it refers to. The meaning of the sentence would change if the </span>clause<span> were deleted. Because</span>restrictive clauses<span> are essential, they are not set off by commas.</span>
The answer to this question is B. Claim. This is because it wraps up the whole idea and paragraph.
<span>The largest library in the United States, located in Washington, D.C., and maintained largely by federal appropriations. Its original purpose was to provide research facilities for members of Congress; today it serves the public as well.</span>