Complex sentence: Moreover, the New York courts' interpretation of the Nonintercourse Act is no longer good law, with modern federal courts holding that only Congress can ratify a conveyance of aboriginal title, and only with a clear statement, rather than implicitly.
Split into simpler sentences: Moreover, the New York courts' interpretation of the Nonintercourse Act is no longer good law. Modern federal courts hold that only Congress can ratify a conveyance of aboriginal title, and only with a clear statement, rather than implicitly.