Answer:
This question lacks context but I will try to answer with what I can. When a poem juxtaposes, it places two different things side by side so you can compare and contrast, giving the poem an interesting effect. The poem might be suggesting that there are many similarities in the two subjects being juxtaposed as well as differences.
Answer:
Louis David Riel was a Canadian politician, a founder of the province of Manitoba, and a political leader of the Métis people of the Canadian Prairies. He led two rebellions against the government of Canada and its first post-Confederation prime minister, John A. Macdonald.
A subtle difference in or shade of meaning, expression, or sound.
This question is not specific enough. It could be attitude but when talking about writing it could be tone.