Two long term effects of the transcontinental railroad were the promotion of national unity and the creation of time zones. is this statement true or false?

True

Explanation:

It is true that two long-term effects of the transcontinental railroad were the promotion of national unity and the creation of time zones. National unity incerased after the railroad because the various regions of the country became more interconnected, bringing people together. The creation of time zones was also an effect as they became necessary in order to ensure that train timetables were efficient and understandable.

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

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