type the appropriate word that should go in the blank in the answer bucks provided below the question and most writing your general, and should be two first advance, a thesis, and then blank that thesis
supporting arguments or points
The appropriate word that should go in the blank in the answer is "support."
So the complete answer would be:
"To write a well-structured essay, it is important to first formulate a clear thesis statement. Once you have established the thesis, you should then provide support that backs up and strengthens your thesis."