Hurry ! maddie is writing a paper on oklahoma exploration for history class. she has already used the word "expedition" several times and wants to find a synonym for the word. which resource should she use? a. a dictionary b. an encyclopedia c. a thesaurus d. an atlas

i think it is c. thesaurus

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.