How did Mikhail Gorbachev's leadership change the relationship between the United States and the Soviet Union?

Mikhail Gorbachev, the last president of Soviet Union was actually the one that stabilized relations with United States, and during his presidency the Cold War ended and Soviet Union disappeared as a country. He signed a couple of important documents, especially with Ronald Reagan, which ended the nuclear race.

Explanation:

Gorbachev's period was a turbulent one. Famous crisis in the Soviet Union led to disappearance of that country. Still, Gorbachev realized the situation and wanted to improve relations with the States which were pretty tight. Later on, for his work Gorbachev received Nobel Prize for peace.

The two leaders met face to face for serious arms-reduction talks.

Explanation:

How did Gorbachev and Reagan dramatically change the relationship between the United States and the Soviet Union?

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.

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