Will mark brailiest

what has contributed to the growth of agriculture as big business in the midwest?

a. people have migrated to the cities.

b. it is more economical to farm on a large scale.

c. good soil and climates allow for a variety of crops to be grown.

d. all of the above

Who gave the famous "i have a dream" speech at the march on washington?

Which statement best describes evidence of a mulitcultural mix in east africa? a. because of what he learned during his pilgrimage to mecca, mansa musa was able to build a center of islamic scholarship. b. the traders of ghana brought back with them slaves from the mediterranean who taught the ghana rulers about christianity. c. clans were made up of lineages that were descendants of multiple ancestors from different regions of africa. d. swahili became a language made up of words spoken by traders along the coast of the indian ocean.

Which civil rights act banned discrimination against any person based on race or color? 14th amendment 15th amendment civil rights act of 1964 voting rights act of 1965