What was the main purpose of the open door policy
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a. to promote american business interests abroad
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b. to remove restrictions on immigration to the united states
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c. to spread democracy to asia
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d. to avoid military conflict with europe

The mass extermination of jews as part of the holocaust during world war ii caused the displacement of millions of jewish survivors. a large portion of them immigrated to which location? a. united states b. poland c. north africa d. palestine e. soviet union