1- I am agree with open borders for Immigrants.
2- one introduction with thesis, 3 body to support the thesis, one counter argument, and a conclusion. the introduction must be about borders in general, in the thesis statement write about 3 benefits of open borders then follow it with 3 body paragraphs, each body paragraph will explain one benefit from the thesis.
2- counter argument must cover all three ideas.
3- 4-5 pages.
4- MLA style.
5- thesis should contain 3 idea support my position, and one is counter.
6- should support the ideas with evidence.
7- use 5 source (max) and write the page number in the in-text citation.