Informative essay aims to inform and educate a reader. There are ways to determine a topic in writing an informative essay. One of which is through brainstorming. You can also gather ideas and use databases or access sources. You can also search the internet for other. interesting topics.
The illusion is greek referring to hercules. the other illusion involves biblical reference
I would say that the best theme to address those key points listed, would be: A. Feeling hopeless is unreasonable when faced with challenges. In other words, we shouldn't feel as if the end of that world is at hand, just because challenges and tests come our way. That is to be expected. Hope that helps.
You should map out what you are going to write about in your body paragraphs (pre-writing, outline, four-square). What are the main points in each paragraph that could help you to form the statement? Once you have that, it should make writing the thesis statement a bit easier. If this is just a general overview, you could write something like, "Tchaikovsky's composition was shaped by many events that occurred early in life, during his adult life, and long after he passed away." Again, it would largely depend on what you want your reader to know about the paragraphs they are about to read.