Whether state and county governments can violate constitutional rights by invoking admiralty/maritime law and denying a jury trial under the 7th Amendment

QUESTIONS PRESENTED 1. Ifwe are a Constitutional Republic, and the Constitution is the Supreme Law of the land, every person, every State, and every Federal agent, has to obey it. How can State and County government get away with violating Constitutional Rights, Article 6 paragraph 2, because of admiralty/maritime law. So why am I not given a Jury trial under Amendment 7? 2. Why was the Sheriff Deputy able to assault me with a deadly weapon? Amendment 8.