What is cultural diffusion? how can the west be seen as a crossroads of the future?

(the manifest destiny is also involved in this.)

- 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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whose power in the senate is equal to the power of the speaker of the house?