What is the opening of the Constitution called? (a)preamble (b) amendment (c) delegate (d) declaration

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

What happened in the tinker v des monies? and why is it important what happened in the hazlewood v. kuhlmeier? why is it important?

Thomas jefferson was important in the revolutionary era because a) he wrote much of the declaration of independence. b) he was elected the president of the continental congress. c) his philosophies were used in the influential pamphlet common sense. reactivate d) his leadership and moral stand lead to the colonies to fight for the abolition of slavery.