case involving a legal dispute before any court. Use GOOGLE. There is a service called casetext which is particularly useful if you can identify the name of the case;

In the word document put the Roman Numeral of the group of which you are a leader on top with the font color for the Roman numeral being the same color as your assigned group.

List each term as follows

For example:

[1][2] Ex post facto Romero v Mnuchin, p. 23

"from a thing done afterward" refers to a criminal statute that punishes actions retroactively, thereby criminalizing conduct that was legal when originally performed.

Source[3]: https://www.law.cornell.edu/wex/ex_post_facto

]Avoid using non-legal dictionaries, except as indicated in footnote 3 above, and categorically avoid using encyclopedic sources like Wikipedia and Britannica. Do not get definitions from statutes or codes for particular jurisdictions. It may be possible to get a valid definition from an article in a legal journal, however. Make sure the source is clickable to a single term not to an entire dictionary but to the specific term.