Can anybody me with the vocabulary for history ?

Which of the following instruments has the largest pitch range? a. a conga drum b. a pipe organ c. a handbell d. a tenor's voice

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington

An effect of the steamboat's popularity was that fewer people traveled by rail. o steam locomotives became less popular. people began to build canals in the united states and europe. o more people began to travel between the united states and europe.