The meaning of the phrase "the clouds that lour'd upon our house" is misfortunes. This phrase serves as a metaphor of troubles. The excerpts tells us that the 'clouds' are 'buried' which means they are gone. After that you can see the description of happy times that reign of king Edward IV has brought. In other words, with the reign of the king, all the misfortunes are buried and '<span>Now are our brows bound with victorious wreaths;'.</span>
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Immigrants can take online classes for English learning, or there are places such as in public schools that help them.