Question: Who is the spouse of the president of the Russian Republic at the time of the disintegration of the country that used RPG-43?

<P0-S0> The RPG-43 (for "ruchnaya protivotankovaya granata obraztca 1943 goda" meaning "hand-held anti-tank grenade") was a high explosive anti-tank (HEAT) hand grenade used by the Soviet Union during the Second World War. <P0-S1> It entered service in 1943, replacing the earlier models RPG-40 and RPG-41. <P0-S2> The RPG-43 used a shaped charge HEAT warhead, whereas the RPG-40 used the simpler HE (high explosive) warhead. <P0-S3> The RPG-43 had a penetration of around 75 mm of rolled homogeneous armour at a 90 degree angle. <P0-S4> Later in the war, it was improved and became the RPG-6. <SEP> <P1-S0> tuva (; russian: тува́) or  tyva (tuvan: тыва), officially the tyva republic (russian: респу́блика тыва́, tr. <P1-S1> respublika tyva, ipa: [rʲɪˈspublʲɪkə tɨˈva]; tuvan: тыва республика, tyva respublika [tʰɯˈʋa resˈpʰuplika]), is a federal subject of russia (a republic, also defined in the constitution of the russian federation as a state).the tuvan republic lies at the geographical center of asia, in southern siberia. <P1-S2> the republic borders the altai republic, the republic of khakassia, krasnoyarsk krai, irkutsk oblast, and the republic of buryatia in russia and mongolia to the south. <P1-S3> its capital is the city of kyzyl. <P1-S4> it has a population of 307,930 (2010 census).from 1921 to 1944, tuva constituted a sovereign, independent nation under the name of tannu tuva, officially, the tuvan people's republic, or the people's republic of tannu tuva. <P1-S5> the independence of tannu tuva, however, was recognized only by its neighbors: the soviet union and mongolia.a majority of the population are ethnic tuvans who speak tuvan as their native tongue, while russian is spoken natively by the russian minority; both are official and widely understood in the republic. <P1-S6> tuva is governed by the great khural, which elects a chairman for a four-year term. <SEP> <P2-S0> on december 30, 1922, with the creation of the soviet union, russia became one of six republics within the federation of the union of soviet socialist republics. <P2-S1> the final soviet name for the republic, the russian soviet federative socialist republic, was adopted in the soviet constitution of 1936. by that time, soviet russia had gained roughly the same borders of the old tsardom of russia before the great northern war of 1700. <SEP> <P3-S0> Raisa Maximovna Gorbacheva ( "Raisa Maksimovna Gorbachyova", , Титаренко; 5 January 1932 – 20 September 1999) was a Russian activist who was the wife of Soviet leader Mikhail Gorbachev. <P3-S1> She raised funds for the preservation of Russian cultural heritage, fostering of new talent, and treatment programs for children's blood cancer. <SEP> <P4-S0> The dissolution of the Soviet Union occurred on December 26, 1991, officially granting self - governing independence to the Republics of the Soviet Union. <P4-S1> It was a result of the declaration number 142 - Н of the Supreme Soviet of the Soviet Union. <P4-S2> The declaration acknowledged the independence of the former Soviet republics and created the Commonwealth of Independent States (CIS), although five of the signatories ratified it much later or did not do so at all. <P4-S3> On the previous day, 25 December 1991, Soviet President Mikhail Gorbachev, the eighth and final leader of the Soviet Union, resigned, declared his office extinct, and handed over its powers -- including control of the Soviet nuclear missile launching codes -- to Russian President Boris Yeltsin. <P4-S4> That evening at 7: 32 p.m., the Soviet flag was lowered from the Kremlin for the last time and replaced with the pre-revolutionary Russian flag.