Ok, I read the Odyssey like... 10 times so, I cant read the top question, but the answer the second one is,
He offers to pay him back with an alliance after he makes it home. The vow is important because Odysseus was arguably the most powerful ruler at the time. So, an alliance with him would help Alcinous a lot.
children were asked about their own both before and after
In an informational article, the thesis statement must be supported by facts, details and explanations related to the thesis.
All paragraphs of the article should explain and support the thesis since that is what will give the text unity and what will increase the reader's interest and motivate him/her to keep reading. Since facts can be verified, they can help strengthen the thesis statement. Statistics and explanations can also be used in order for the thesis to make sense to the reader.