Which of these practices describe how producers in oligopolies generally try to create competition? Check all that apply. by keeping prices low

by offering promotions

by advertising

by cultivating brand loyalty

by overcoming barriers to entry

by developing a specific image

- tobacco.

- "rolfe reacted to consumer demand by importing seed from the west indies and cultivating the plant in the jamestown colony. those tobacco seeds became the seeds of a huge economic empire.the tobacco economy rapidly began to shape the society and development of the colony. growing tobacco takes its toil on the soil."

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explanation: