They brought back specimen samples
The Glasnost and perestroika contribute to the fall of the Soviet union because : C. they brought the outside and different economic political options to the people .
This will eventually lead to a lot of revolutions from those who wish to separate from the soviet union and lead to the fall of the soviet union
Significant changes enacted at the national levels included the imposition of an income tax with the Sixteenth Amendment, direct election of Senators with the Seventeenth Amendment, Prohibition with the Eighteenth Amendment, election reforms to stop corruption and fraud, and women's suffrage through the Nineteenth century
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