By giving you explained details and using defining word and How the author used specific names.
Lindsey turned on the TV because she wanted to watch the NHL hockey game on ESPN.
Quindlen links the conclusion to the introduction of her essay with the words "like many improbable ideas, when it works, it's a wonder", which is very close to her claim in the overall text, "America is an Improbable idea", it isn't supposed to work but it does despite all of the differences, specifically racial or ethnic, within it.
Verbs like am, is, are, was, were do not show action; they are verbs of being. They tell us about a state of being or existence. They don’t give any meaning but they are used to describe a subject. The be verbs are followed by a noun or an adjective or an adverb.