Based on the context what is the meaning of “sleights”

What does vexed mean as it is used in the second stanza of "the second coming"?

Bella is going to write a research paper. she chose sports as her topic, but her teacher said she must narrow or limit her topic. choose the topic that limits the broad topic of sports the most. a) a history of sports in the united states b) a history of tennis c) rules and etiquette of tennis d) training and equipment for outdoor sports

Analyzing relationships how was the scientist work similar to the work of the keene high school students you read about in this section