Communist Party of the Soviet Union along with the institution of free multiparty elections led to a decline in the party's power, and after the dissolution of the Soviet Union, the banning of the party by later last RSFSR President Boris Yeltsin and subsequent first President of an evolving democratic and free market economy of the successor Russian Federation. A number of causes contributed to CPSU's loss of control and the dissolution of the Soviet Union during the early 1990s. Some historians have written that Gorbachev's policy of "glasnost" (political openness) was the root cause, noting that it weakened the party's control over society. Gorbachev maintained
Mikhail Gorbachev over his domestic reforms, Gorbachev was largely hailed in the West for his 'New Thinking' doctrine in foreign affairs. During his tenure, he sought to improve relations and trade with the West by reducing Cold War tensions. He established close relationships with several Western leaders, such as West German Chancellor Helmut Kohl, U.S. President Ronald Reagan, and British Prime Minister Margaret Thatcher, who famously remarked, "I like Mr. Gorbachev; we can do business together". Gorbachev understood the link between achieving international détente and domestic reform and thus began extending "New Thinking" abroad immediately. On 8 April 1985, he announced the