All of the Above is the answer
The Collapse of the Soviet Union was the collapse of Berlin Wall in November 1989 and the dethrone of collectivist rule all over Eastern Europe. President Bush chose to let events unroll in connection with the living matter, careful not to do anything intensify and augment Gorbachev’s position.
The stamp act put a tax on the above listed materials.!
Answer: Migration increased the slum areas in cities which increase many problems such as unhygienic conditions, crime, pollution etc.
Explanation: