Answer:
Paul Revere's friend will send a secret signal to inform him of the British army's plan.
Subordinate clause, a complete sentence, a compound subject, a main clause
The author is trying to portray that all parts are important even though some may come smaller or larger than other. Nothing could happen as planned without the smaller of bigger parts
The three countries that are signers of the North American Free Trade Agreement or NAFTA are Canada, the United States, and Mexico. The answer is option C. The notable persons who signed in the historic NAFTA are Mexican President Carlos Salinas de Gortari, U.S President George H.W Bush, and Canadian Prime Minister Brian Mulroney, last October 1992.
Tragedy is everywhere, I believe is your answer.