What are disadvantages of the barter system

Which two former presidents continued to work in government after leaving the white house, and in what capacity?

Which sentence best describes the chief characteristics of blank verse? a. it is always made up of eight syllables and never rhymes. b. it is in iambic pentameter and doesn't rhyme. c. it can be in any kind of meter but must never rhyme. d. it is in iambic pentameter and must always rhyme

From the following responses, select the statement that is grammatically incorrect. a. i forgot my umbrella today and became sopping wet on my way to work. b. because i forgot my umbrella today, i became sopping wet on my way to work. c. today i forgot my umbrella, on my way to work i became sopping wet. d. having forgotten my umbrella today, i became sopping wet on my way to work. e. i forgot my umbrella today; hence, on my way to work i became sopping wet.