How did lineage groups affect hierarchical structures within African societies?

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.

the dissolution of the soviet union[a] occurred on december 26, 1991, officially granting self-governing independence to the republics of the soviet union. it was a result of the declaration number 142-н of the supreme soviet of the soviet union.[1] 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. on the previous day, december 25, 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. 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.[2]

previously, from august to december, all the individual republics, including russia itself, had either seceded from the union or at the very least denounced the treaty on the creation of the ussr. the week before formal dissolution, 11 republics signed the alma-ata protocol formally establishing the cis and declaring that the ussr had ceased to exist.[3][4] both the revolutions of 1989 and the dissolution of the ussr also marked the end of the cold war.

several of the former soviet republics have retained close links with the russian federation and formed multilateral organizations such as the commonwealth of independent states, eurasian economic community, the union state, the eurasian customs union, and the eurasian economic union to enhance economic and security cooperation. on the other hand, the baltic states have joined nato and th

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