Yeltsin transformed Russia's state socialist economy into a capitalist market economy by implementing economic shock therapy, market exchange rate of the ruble, nationwide privatization, and lifting of price controls. Economic volatility and inflation ensued. Amid the economic shift, a small number of oligarchs obtained a majority of the national property and wealth, while international monopolies came to dominate the market. A constitutional crisis emerged in 1993 after Yeltsin ordered the unconstitutional dissolution of the Russian parliament, leading parliament to impeach him. The crisis ended after troops loyal to Yeltsin stormed the parliament building and stopped an armed uprising; he then introduced a new constitution which significantly expanded the powers of the president. Secessionist sentiment in the Russian Caucasus led to the First Chechen War, War of Dagestan, and Second Chechen War between 1994 and 1999. Internationally, Yeltsin promoted renewed collaboration with Europe and signed arms control agreements with the United States. Amid growing internal pressure, he resigned by the end of 1999 and was succeeded by his chosen successor, Prime Minister Vladimir Putin. Out of office, he kept a low profile, but he was accorded a state funeral upon his death in 2007.