the year 1991 marked the beginning of dramatic changes in the economic and political systems of the former soviet union . which of the following did not happen durning that year?

What will not cause political parties to change or develop

Jacksonian democracy promoted new methods of political campaigning. one such technique was mudslinging. what was its effect on the presidential candidates?

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?